Skip to main content
Go to accessibility options
Expert Witness Services

Expert Witness Services

Heritage Auctions is the largest collectibles auctioneer in the world. Our team of 100-plus experts specializes in over 50 categories, including art, jewelry, sports and other collectibles.

Our Appraisals team offers IRS and USPAP compliant reports on a range of entities from estate tax to charitable donations.

Heritage provides Expert Witness Testimony, Fair Market Value and Replacement Cost appraisals for purposes such as bankruptcy, divorce, equitable distribution, insurance, estate planning and more.

Heritage's growing community of more than 1 million collectors is a testament to our reputation and vast expertise.

Contact Our Experts

Ed Beardsley

Ed Beardsley

Expert Witness Services
1-877-HERITAGE (437-4824)  x1137

Meet our consignment experts

Headshot photo of Dustin Johnston

Dustin Johnston

Vice President
1-877-HERITAGE (877-437-4824)  x1302

Specialties: US Coins, US Currency, World Coins, World Currency
View Biography

Dustin Johnston joined the Heritage team in 1998 and has been active in nearly every aspect of the business. He was born and raised in Tucson, where he also attended the University of Arizona. Prior to joining Heritage, he won a number of literary and exhibiting awards from the ANA. Dustin also served as an Exhibit Judge and Numismatic Theater Speaker for the ANA. He oversees the management of the Currency division including consignment acquisitions, purchasing, cataloging, marketing, and inventory management. He is a life member of the American Numismatic Association, Numismatic Literary Guild, and International Bank Note Society, and member of several other numismatic organizations including the Professional Numismatists Guild, Professional Currency Dealers Association, and Society of Paper Money Collectors. Currently, he serves as Vice President for the PCDA, and as a board member for the PNG. His involvement in the industry and oversight of a significant market share in auctions landed him on Coin World’s list of Top 100 Most Influential People in Numismatics. Away from work, he enjoys married life, his two young kids, and WWI research related to the 364th Infantry.

Headshot photo of Len Glazer

Len Glazer

Director Emeritus, Currency Auctions
1-877-HERITAGE (877-437-4824)  x1390

Specialties: US Currency
View Biography

Len Glazer, a co-founder and president of Currency Auctions of America, is widely recognized as one of the country's foremost authorities on paper money. Still in high school, he entered the market as a coin dealer at local trade shows, and continued to buy and sell coins throughout his years at St. John's University. Before graduating, he became a recognized dealer of - and authority on - Fractional Currency. In 1975, Len founded Fractional Currency Incorporated. . In 1990, Len helped start Currency Auctions of America, Inc. Today, Len Glazer is recognized as the country's foremost authority on Fractional Currency, as well as one of the most respected figures in the entire paper money community.
Headshot photo of Allen Mincho

Allen Mincho

Director Emeritus, Currency Auctions
1-877-HERITAGE (877-437-4824)  x1327

Specialties: US Currency, World Currency
View Biography

  Allen Mincho is one of the foremost experts in the field of United States currency. He graduated New York University Law School in 1971 and formed what is still the definitive collection of National Bank Notes from the City of New York. In 1980 he became a full time dealer. Specializing in National Bank Notes and large size type material, he has had the opportunity to handle nearly every significant rarity which has been offered since that time. After authoring a fixed price list since 1971, Allen became one of the three founders of Currency Auctions of America in 1990. This firm, which has now joined the Heritage family, quickly became the largest and most successful currency auction house ever. He was one of the founding members of the Professional Currency Dealers Association, and is a noted contributor to many publications.
Headshot photo of Craig Eustace

Craig Eustace

Consignment Director, World Paper Money
1-877-HERITAGE (877-437-4824)  x1924

Specialties: African Currency, World Currency
View Biography

Craig Eustace was welcomed to the Heritage team in 2020 as a World Currency expert. Craig has been a collector and part-time dealer of World Paper Money for three decades, with Africa, Southern Africa in particular, being his region of focus. In addition to collecting and part-time dealing, he has been an active member in World Currency community by contributing to various publications, including The Banknote Book and Mehilba World Replacements. Craig completed his degree at the University of Stellenbosch in South Africa with a Bachelor of Arts in Political Science, Philosophy, and Economics. Craig lived in South Korea for six years, and recently joined our Dallas office.  He is an avid world traveler and speaks English and Afrikaans.   
Headshot photo of Jacco Scheper

Jacco Scheper

Managing Director, Europe
1-877-HERITAGE (877-437-4824)

Specialties: European Comics & Comic Art, Stamps, US Coins, US Currency, World Coins, World Currency
View Biography

Jacco Scheper started collecting coins and stamps in 1977 at the age of 7. After graduating from the famous international Business University Nijenrode in 1991, Jacco held various management positions. In 1996 he and Huib Pelzer acquired coin show organizer MPO, and eventually transformed it into an auction and trading company. MPO held its first auction in 1999. Within a few years MPO became the leading auction house for coins, banknotes and stamps in the Netherlands, and expanded its auction activities to other collectibles from 2011 onwards. In 2015 MPO’s superb reputation for integrity and expertise caught the attention of the owners of Heritage Auctions, which acquired MPO and its entire staff and rebranded it as Heritage Auctions Europe. 

In 2006 Jacco was voted onto the board of the NVMH (Dutch association of Coin Dealers), and elected President of the board in 2009, serving a 6 year term ending in 2012. In 2015 he became President again. Jacco also serves as one of the experts of the NVMH Committee for Numismatic Certification. He also served as a member of the board of SBN (Foundation to Promote Numismatics) from 2006 until 2015, is one of the judges of Krause's COTY (Coin Of The Year – Award), and holds memberships in TMV (Association for Registered Appraisers), Hobéon – recognized – and KGMPK (Royal Society for Coins and Medals).

Jacco is conversant in English, French, Dutch/Flemish and German.

Headshot photo of Kenneth Yung

Kenneth Yung

Director of Asian Operations
1-877-HERITAGE (877-437-4824)

Specialties: Ancient Coins, World Coins, World Currency
View Biography

Kenneth Yung joined Heritage Auctions as Director of Asian Operations after building a career in numismatics as one of the most active dealers in the Hong Kong and China markets. In addition to accepting consignments for upcoming Heritage auctions, he will be responsible for all Hong Kong office operations. Kenneth began to develop a strong interest in collecting older items as a child, which eventually led to collecting coins and banknotes during his high school years, and owning a retail business in Hong Kong during the 1990’s. He has been a full-time dealer since 2002 and PCGS, NGC & PMG authorized dealer since 2012. A committee member of the Hong Kong Numismatic Society and Vice Chairman of the Hong Kong Stamp and Coin Dealer Association, Kenneth is the organizer of the Hong Kong International Numismatic Fair (HKINF), which is held each June and December.
Headshot photo of Marcel Frissen

Marcel Frissen

Logistics Manager
1-877-HERITAGE (877-437-4824)

Specialties: World Currency
View Biography

Marcel Frissen joined the Heritage family in 2020 as Operations Director – World Paper Money, and is currently operating from Heritage’s office in the Netherlands. He started collecting world coins and currency at eight years old, after receiving a simple Netherland 5 Gulden note from his grandparents. Over the years, he has increasingly specialized in currency.  

After serving in the military, Marcel participated in numerous coin shows all over Europe and Scandinavia and is an active member of a number of European numismatic organizations. Together, he and his wife often enjoy travelling and continuing to build their large collection of currency & coins.  

Marcel is conversant in Dutch, English, and German.

Headshot photo of Jan Schoten

Jan Schoten

Consignment Director
1-877-HERITAGE (877-437-4824)

Specialties: Ancient Coins, World Coins, World Currency
View Biography

A collector of coins and stamps starting in 1983, Jan and childhood friend Jacco Scheper visited numerous shows together starting in high school. After earning a journalism degree in 1992, he spent seven years in media before volunteering to help with Jacco's new venture at MPO once the company began auctioning in 1999. Jan officially joined the firm in 2001 as a specialist in Dutch medieval, provincial and colonial numismatics and now plays a vital role with the newly formed Heritage Auctions Europe. 

Jan's experience in auctioneering and consigning during his 16-year tenure with MPO has made him an expert on Dutch and European Currency. A member of the NVMH (Dutch Association of Coin Dealers) catalog, he is multilingual in English, Dutch, German and French.
Headshot photo of Susan Bremer

Susan Bremer

Consignment Director
1-877-HERITAGE (877-437-4824)  x1830

Specialties: US Currency, Wine
View Biography

Susan Bremer started with Heritage Auctions in 2020.  She joins us from Paper Money Guaranty where she worked in all areas of the business from research to grading.  She was born and raised in a military family, so she has traveled extensively throughout her life.  In 2015, Susan began working part-time for her father at currency shows.  Although she had little knowledge, she discovered a passion for numismatics and began down a very different career path than she was on. In 2017 she made numismatics her full-time career. Through the shows and personal research, Susan has gained a deep appreciation for some of the lesser-known numismatic items.  She enjoys confederate bonds, theme park currency, and military payment coupons. She has a degree in Hospitality Management from Ellis University in Chicago, Illinois and work towards a master’s degree in Accounting and Data Analysis at Capella University in Minneapolis, Minnesota.  Susan is also a Certified Sommelier with the Guild of Master Sommeliers.   Susan is also a member of  the International Bank Note Society (IBNS), the Society of Paper Money Collectors (SPMC), the American Numismatic Association (ANA) and the Professional Currency Dealers Association (PCDA). In addition to being a member of PCDA, she also serves as a member of the board.  Her hobbies outside of work and numismatics include spending time with her family, travelling, collecting wine, cooking, reading.
Headshot photo of Frank Clark

Frank Clark

Cataloger
1-877-HERITAGE (877-437-4824)  x1360

Specialties: US Currency
View Biography

  Frank Clark started at Heritage in 2002. He first started collecting coins at the age of eight when his mother, maternal grandmother, and maternal great-grandmother all gave him several coins dating from the 1840s to the 1920s.  A few years later, paper money was added to his collection when he obtained the MPC notes that his father had brought back from Korea. This was followed by a stint as a bank teller during his college days at the University of North Texas where he earned a business degree in management.     After college, Frank joined several local, regional, and national numismatic organizations. They included the Dallas Coin Club, Garland (TX) Coin Club, Texas Numismatic Association, Paper Money Collectors of Michigan, the Society of Paper Money Collectors, and American Numismatic Association among others.  He served terms as secretary-treasurer, vice president, and president at the local level. He was also a Texas Numismatic Association governor for 17 years and he is a current out of state board member, dating back over 30 years, for the Paper Money Collectors of Michigan. His service with the Society of Paper Money Collectors includes governor (1993-2001), vice president (1995-99), president (1999-2003), and membership director (1996-present.) This led to many service awards to be bestowed upon him by the above organizations. Taken altogether, he has over 100 years of service in various numismatic associations.     Frank has authored over 100 articles published in the journals of the following: the ANA's The Numismatist, the TNA News, the PMCM's Ragpicker, and the SPMC's Paper Money.  He has earned several awards for best article through the years for the above organizations. Frank's article, "The Stockyards National Bank of North Fort Worth" that appeared in Paper Money was awarded the best U.S. Paper Money article for the year 2018 by the Numismatic Literary Guild.    Frank has presented over 100 numismatic exhibits through the years at the local, state, and national levels since he started exhibiting in 1985.  This includes being awarded the Best of Show at the 1990 Texas Numismatic Convention.    Frank's main collecting field has been Texas National Bank Notes for the last 40 years. Before that he collected United States small size notes and Military Payment Certificates.  Frank is a nationally recognized expert in many paper money fields and maintains an extensive library for National Bank Notes, MPCs, US Small Size, US large size, Colonial, Obsoletes, Fractional, Confederate, and Errors.   Frank Clark started at Heritage in 2002. He first started collecting coins at the age of eight when his mother, maternal grandmother, and maternal great-grandmother all gave him several coins dating from the 1840s to the 1920s.  A few years later, paper money was added to his collection when he obtained the MPC notes that his father had brought back from Korea. This was followed by a stint as a bank teller during his college days at the University of North Texas where he earned a business degree in management.     After college, Frank joined several local, regional, and national numismatic organizations. They included the Dallas Coin Club, Garland (TX) Coin Club, Texas Numismatic Association, Paper Money Collectors of Michigan, the Society of Paper Money Collectors, and American Numismatic Association among others.  He served terms as secretary-treasurer, vice president, and president at the local level. He was also a Texas Numismatic Association governor for 17 years and he is a current out of state board member, dating back over 30 years, for the Paper Money Collectors of Michigan. His service with the Society of Paper Money Collectors includes governor (1993-2001), vice president (1995-99), president (1999-2003), and membership director (1996-present.) This led to many service awards to be bestowed upon him by the above organizations. Taken altogether, he has over 100 years of service in various numismatic associations.     Frank has authored over 100 articles published in the journals of the following: the ANA's The Numismatist, the TNA News, the PMCM's Ragpicker, and the SPMC's Paper Money.  He has earned several awards for best article through the years for the above organizations. Frank's article, "The Stockyards National Bank of North Fort Worth" that appeared in Paper Money was awarded the best U.S. Paper Money article for the year 2018 by the Numismatic Literary Guild.    Frank has presented over 100 numismatic exhibits through the years at the local, state, and national levels since he started exhibiting in 1985.  This includes being awarded the Best of Show at the 1990 Texas Numismatic Convention.    Frank's main collecting field has been Texas National Bank Notes for the last 40 years. Before that he collected United States small size notes and Military Payment Certificates.  Frank is a nationally recognized expert in many paper money fields and maintains an extensive library for National Bank Notes, MPCs, US small size, US large size, Colonial, Obsoletes, Fractional, Confederate, and Errors.  
Headshot photo of Raiden Honaker

Raiden Honaker

Consignment Director
1-877-HERITAGE (877-437-4824)  x1922

Specialties: US Currency
View Biography

Raiden Honaker was welcomed to the Heritage team in January 2021. Raiden found his passion in numismatics at a young age, and has been actively collecting and expanding his knowledge for more than a decade. He grew up in the small town of Vidalia, Georgia. Raiden became a part-time dealer of coins and paper currency in his late teens after moving to Carrollton, Ga to attend the University of West Georgia. There, he graduated with a double major and earned his Bachelor of Business Administration in Management and Marketing in 2019, followed by his Master of Business Administration in 2020. Raiden is a member of the SPMC, IBNS, ANA, Texas Numismatic Association (TNA), Georgia Numismatic Association (GNA), Paper Money Collectors of Michigan (PMCM), and the CSA Trainmen. He also serves on the Society of Paper Money Collectors Board of Governors. Raiden is a regular contributor to the GNA Journal, and has had numerous articles published there, as well as Heritage Auctions' Intelligent Collector magazine. You can also find him on the podium, as he received his Texas Auctioneer License in 2023. He is currently working on a publication on the history and background of Georgia National Bank Notes. In his free time, he enjoys researching local history, traveling, and antiquing.