Reproduction 1780 Austrian Thaler Coin RingThis coin was one of the most important trade coins in Europe, and one of the best known in the world. The Austrian Thaler and the Spanish 8 Reales formed the basis for the Silver dollar adopted by the fledgling United States under the mint Act of 1792. In fact, the word "dollar" is derived from the German Austrian word "Thaler". This coin ring starts off as 1 Troy ounce of fine . 999 silver bullion and makes a great way to display a ring with some