Stack's Bowers & Ponterio
January 2020 NYINC Auction 17-18 Jan 2020
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According to David Andre Levy, author of the outstanding must have reference "The 960 Overstrikes", he speculates that between 15-20 examples are extant for this particular countermark as a host coin. When my father, Richard Ponterio, originally cataloged and sold this piece in his 1983 auction it was considered a discovery piece legitimizing this particular countermark and proving it was applied prior to 1820.
From the Kyle Ponterio Collection.
Ex: Dix Noonan Web COINEX Auction September 28, 2010 "The Edward Roehrs Collection" Part I Lot # 5.
Ex: Ponterio & Associates, Inc. Auction # 11 September 1983 Lot # 162 (with lot tag).
Estimate: $900.00- $1200.00