Ferdinand III, King of Hungary 1625, King of Bohemia 1627, Emperor 1637-1657. 10 Ducats 1638, Praha mint, mint master Jakub Wolker, AV 46 mm, 34.38 g. Struck from the taler dies. FERDIN III D G R IMPERATOR S A Bareheaded, armoured bust with decorative collar, draped with cloak, chain of the Order of the Golden Fleece to the right. Rev. GER HVN BOHE-MIÆ REX Ao 1638 Crowned double-headed eagle, on the breast crowned Bohemian shield of arms, surrounded by the chain of the Order of the Golden Fleece, sign of the mint master beneath. F. 46a (Bohemia) and 213 (Austria); Dietiker 835; Halačka 1148; Herinek 29. Rare. Some light edge marks and in fields, toned, good very fine Ex J. Schulman, Amsterdam sale 9.10.1933 ('Collection remarquable de monnaies et médailles d'or formée par un Amateur néederlandais distingué'), 196 - purchased through Ciani. Please find here the video of the coin