Jagiellonians, Sigismund I the Old (1506-1548), trojak 1539, Gdansk mint, KRZYZYKI/DWUKROPKI.
Variety with the inscription PRVSS in the rim and obverse punctuation in the form of dots on the obverse and colons/triangular rosettes on the reverse.
Silver, weight 2.47 grams, diameter 21.4 mm