The doubloon was a two-escudo gold coin worth approximately four Spanish dollars or 32 reales, and weighing 6.766 grams of 22-karat gold. Doubloons were minted in Spain and the viceroyalties of New Sp
Italian States, Piacenza, 2 Doppie (1626), depicting Odoardo Farnese, Duke of Parma
The ducat coin was used as a trade coin in Europe from the later Middle Ages to the 19th century. Its most familiar version, the gold ducat or sequin containing around 3.5 grams of 98.6% fine gold, or
Ferdinand III depicted on a 100 Hungarian Ducat (1629)
Austrian four ducats, c. 1915 (official restrike)
Netherlands, 1724 Gold ducat, Utrecht