1768, Dalmatia, Ragusa (Republic). Silver Tallero (Ducat et Sem) / Thaler Coin. Assayer: D-M Mint Year: 1768 Mint Place: Dubrovnik (Croatia) Reference: Davenport 1639, KM-18. R! Denomination: Silver Ducat / Tallero (also known as "Rector´s Thaler" or "Ducat Et Sem") Diameter: 41.1mm Weight: 28.32gm Material: Silver Obverse: Draped bust of Republican Rector l ...