What is a maria Anna avgasta ferdinandi you imp et regis coin made of?

The Maria Anna Avgasta Ferdinandi you imp et regis coin, often referred to as a Maria Theresa thaler, is typically made of silver. It was minted in the 18th century and is known for its distinctive design featuring Maria Theresa on one side and an imperial coat of arms on the other. The coin weighs approximately 28 grams and contains about 23.4 grams of pure silver.