Jagiellonians, Sigismund I the Old (1506-1548) crown half-penny 1510, Kraków mint.
Half-penny minted in Cracow for Sigismund I the Old in 1510, variety with four feathers at the back of the eagle's head.
Obverse: Crown eagle, and in the outer rim the legend: MONETA:SIGISMVNDI
reverse: Royal crown, and in the outer rim the legend: REGIS:POLONIE:1510
silver, weight 0.94 grams, diameter 18.5 mm