A very rare variant of the late Cracow trojak.
Mint engraver's error - infinite date on the stamp - it is 16^9 instead of 1619 (the numeral I is missing).
Variety not described in Iger, highly valued in the specialized catalog by Nechitayla, Ermashenko and Zamechovsky, where it is additionally illustrated with this piece.
One of the ornaments of the collection of late Cracow coins of Sigismund III, offered as part of the 3rd session of the GNDM winter auction.
Surface cuts. Good detail.