The Maria Theresa Thaler is a silver bullion trade coin that has been used in world ... in the USA and probably contributed, along with the Spanish dollar, to the choice of a dollar as the main ...

But by far the most famous is the Maria Theresa thaler ... same size as the Germanic silver thaler coins of Europe, and Americans took to calling them "Spanish dollars." But officially, Spanish ...

Her beautifully-illustrated first book, A Silver Legend tells the story of the coin, known as the Maria Theresa thaler. As well as being used as currency, it was incorporated into ethnic jewellery.