Skip to main content
Go to accessibility notice


    1974 "King of Errors" $20/$10 Double Denomination

    Fr. 2071-K $20/$10 1974 Federal Reserve Note. PMG Choice Uncirculated 63.
    A lovely example of the only modern era double denomination note. Almost all of the reported examples were released in Houston, and many of the known pieces were saved only after circulating to a greater or lesser degree. All are rare, as the number released was quite small, and uncirculated copies are extremely rare, with the number extant likely fewer than a dozen. The last time this major error was handled by us it realized $23,000 almost five years ago. A growing market demanding true rarity should generate a realization in the area of...
    From The David Gursky Collection of US Error Notes

    View all of [The David Gursky Collection of U.S. Error Notes ]

    Auction Info

    Auction Dates
    August, 2010
    11th-16th Wednesday-Monday
    Bids + Registered Phone Bidders: 6
    Lot Tracking Activity: N/A
    Page Views: 3,681

    Buyer's Premium per Lot:
    15% of the successful bid (minimum $14) per lot.

    Sold on Aug 13, 2010 for: Sign-in or Join (free & quick)
    Track Item

    Heritage membership

    Join Now - It's Free

    1. Past Auction Values (prices, photos, full descriptions, etc.)
    2. Bid online
    3. Free Collector newsletter
    4. Want List with instant e-mail notifications
    5. Reduced auction commissions when you resell your
    Consign now
    • Cash Advances
    • More Bidders
    • Trusted Experts
    • Over 200,000 Satisfied Consignors Since 1976
    Only 5 days left to consign to the 2021 September 29 - October 4 Currency Signature Auction - Long Beach!

    Learn about consigning with us

    I think heritage is the best auction house and has the best service - that’s why I use you. 
    Sara B.,
    Dubai, UAE
    View More Testimonials receives more traffic than any other auction house website. (Source:

    Video tutorial

    Getting the most out of search