Watch List notes:

POLAND, Monarchs. Sigismund I the Old, 1506-1548. Grosso (Silver, 22 mm, 1.70 g, 1 h), dated 1547. Crown over SIGISMVND PRIM REX POLONI in three lines; below, star and crescent between S and T. Rev. MONETA REGN I POLONIE 1547 Eagle with spread wings. Rare. About very fine.