Maria Theresa Thaler

The Maria Theresa thaler is a large silver bullion and trade coin of the Habsburg monarchy, first produced in 1741. Named after Maria Theresa, who ruled Austria, Hungary, Croatia, and Bohemia from 1740 to 1780 and is portrayed upon it, the piece was established as a standard Conventionsthaler following monetary reforms in the mid-eighteenth century. Following the death of the empress in 1780, the coin continued to be restruck bearing the frozen date of 1780, operating as a commercial trade coin rather than reflecting the actual year of manufacture.

In 1857, Emperor Francis Joseph declared the thaler an official Austrian trade coinage, although it ceased to serve as domestic currency in Austria the following year. Due to its reliable silver content, it became widely accepted along international trade routes, circulating extensively across the Arabian Peninsula and large parts of Africa, including Ethiopia, Somalia, and Kenya. In addition to Habsburg mints such as Vienna, Hall in Tyrol, Günzburg, and Prague, millions of thalers were struck at foreign facilities including London, Paris, Brussels, Rome, Birmingham, and Bombay. The Austrian Mint continues to manufacture uncirculated restrikes into the modern era.

The obverse depicts a bust of Maria Theresa accompanied by an abbreviated Latin inscription citing her imperial and royal titles. The reverse displays the crowned Habsburg double-headed eagle, accompanied by additional titles, the date 1780, and a saltire cross originally introduced to signify the monetary standard adopted from 1750. The lettered edge bears her reign's Latin motto, Justitia et Clementia.