Stack's Bowers & Ponterio
Collector's Choice February 2022 Auction 22-24 Feb 2022
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KM-600.3; Gad-15. A stark mint error, this off center and double struck piece is about as fantastic as any mint error can be, this example from the last year of the monarchy is impressive to behold. Despite some circulation, this piece is a touch conservatively graded by NGC in the eyes of this cataloger.