Watch List notes:

Poland, Sigismund I (1506-48), Ducat, 3.54g, 1547, Gdansk (Danzig), * sigis. i. rex. polo. do. prvss., crowned and armoured bust right, rev. mone. no. avr. civi. gedanens, city shield with supporters (F.1; HCz 417- R4), slightly wavy flan otherwise about extremely fine, very rare.
provenance
Purchased 4 May 1967, £135
Estimate: £20,000.00 - £25,000.00