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    Bowen-Congreve Patent Back Color Tint Essay. Congreve Patent Check Plate in Green and Brown Undated (Ca. 1833). Proof. PCGS Choice New 63 Apparent.
    The third back has three dies across in brown, green and white, with a mesmerizing op-art impression. The center die has the encircling title with a glowing green die in the center. At the ends, the dies have a spoked effect. Green accents are at the corners and in between the dies. The minute text, different from the previous two, and appearing at bottom center, reads, "office of the District Court of Massachusetts," (but the "s" from "Clerk's" remains, indicating the rest of the text seen on the previous two examples was obliterated by lathe work). A small "6" is to the right, and further right, the Bowen imprint. The style was used on the backs of the Nahant Bank $2 notes. Noted with a "Small Hole at Left of Center" and "Mounted on Woodblock." Another fabulous contrast of color.
    Ex: NASCA, T. James Clarke Sale, June 26-29, 1978, part of lot 2050; Eric P. Newman Numismatic Education Society.
    Ex: Eric P. Newman Numismatic Education Society.

    Estimate: $400 - $800.

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    Proxy Bidding Ends
    3rd Wednesday 9:50 am CT
    Auction Dates
    5th-3rd Wednesday-Wednesday
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    7 Days 4h 45m 49s
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    This lot is in: 1 - Currency Session
    (Lots 89001-90449) - 10:00 AM Central Time, Wednesday, May 3, 2017.
    (Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live starts 24 hours before the live session begins and continues through the session.)

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    Additional Location Info:
    Heritage Auctions - Dallas
    3500 Maple Ave
    17th Floor
    Dallas, TX 75219

    Truth Seeker: The Life of Eric P. Newman (softcover)
    A powerful and intimidating dealer of the 1960s, backed by important colleagues, was accused of selling fraudulent gold coins and ingots to unsuspecting numismatists. Who would go up against a man like that and, over the course of decades, prove the fraud? Who would expose a widely respected scholar as a thief, then doggedly pursue recovery of coins that the scholar had stolen from an embarrassed numismatic organization, all over the objections of influential collectors who had bought coins with clouded titles? Eric P. Newman would - and did. Reserve your copy today.