Stack's Bowers & Ponterio
Collector's Choice February 2022 Auction 22-24 Feb 2022
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2) 3 Groszy, 1596-GE. Riga Mint. Sigismund III. VF-30. Kop-1418.
3) Grosz, ND (1506-48). Torun Mint. Sigismund I. Kop-unknown. The last two digits of the date are worn away.