Thaler

A thaler, or taler, is one of the large silver coins minted in the states and territories of the Holy Roman Empire and the Habsburg monarchy during the Early Modern period. A thaler size silver coin has a diameter of about 40 mm and a weight of about 25 to 30 grams. The word is shortened from Joachimsthaler, the original thaler coin minted in Joachimsthal, Bohemia, from 1520. (Wikipedia)