Watch List notes:

Münster, City, Siege and Relief of Vienna, 1683, schautaler, probably by Gottfried Storp, bust of Leopold I right, rev., turbaned bust of Mohammed IV of Turkey holding sceptre, 20.82g (Montenuovo 924), better than extremely fine and of the highest rarity, in NGC holder graded AU55

Estimate: 10000-15000 GBP