Poland - Ducat 1597, Gold, SIGISMUND III 1587–1632 Danzig mint. Crowned bust right. Rev. crown and arms flanked by rampant lions.Fr. 10; Dutkowski-Suchanek 179-II; Kopicki 7519 (R3).Rare. 3.47 g. Struck with great detail and little to no wear. NGC AU Details, Rim filing