Poland, Sigismund III, the Crown, trojak (triple groschen) 1621 (?), Cracow mint.
On Rv. date 1-6-2 (last digit missing).
Silver, 1,82 g, 20,1 mm. Unlisted type of coin.
Grade: Good VF.
The coin corresponds to the Iger K.21.1 type from 1621. Iger noted a number of triple groschen with incomplete dates, making it impossible to clearly determine the year of mintage, but he did not know the combination 1-6-2.