Maria Theresia was Empress of Austria and Queen of Hungary between 1740 and 1780. She carried out many reforms to modernize her empire and strengthened state power. She was born in May 1717 in Vienna. Her mother, Queen Elisabeth Christine of Hungary, while her father, VI. Charles was the Holy Roman Emperor. He succeeded her as heir to the throne after female succession was accepted within the House of Habsburg. However, after her father's death, II. King Frederick of Prussia and other rivals challenged her rights to the throne and went to war against her. Maria Theresia successfully defended her empire from the Prussian invasion with her loyal army and eventually made peace with them. However, she was not satisfied with simply preserving her reservation: she carried out ambitious reforms. She tried to modernize the economy, supported manufactories and manufacturers. She also expanded the network of schools and improved the quality of education. She also did a lot for the Hungarian nation: she strengthened the country's laws and preserved traditional Hungarian law. The empress herself had a big family life. She had 16 children, including Emperor Joseph II, who later succeeded her and continued the reforms in the empire. Maria Theresia died in 1780. Even today, she is a respected figure in Austrian and Hungarian history, and her reign is identified by many with the heyday of the empire.

Queen Mária Theresia's four-decade reign brought significant changes in the empire's finances. A large amount of money was needed for the war that lasted for years, and then for the implementation of economic, administrative, military and cultural reforms, for which, however, there was not an adequate amount of precious metal available. The financial unification of the empire continued in 1766. Instead of the traditional mintmarks, the mintmarks arranged in order of importance from the point of view of the empire were given their letters in alphabetical order, which from then on also served as mintmarks. At Vienna received it, Bt Körmöcbánya, Ct Prague. The sign of Gyulafehérvár became E, and that of Nagybánya became G. The marking system according to the alphabet was in effect until the compromise. Mária Terézia's measures brought about a significant change in Hungarian money and medal art. Based on the agreement between Austria and Bavaria, the "Hungarian" money was also minted in Körmöcbány, Szomolnok, Nagybány, Oravicabány and Gyulafehérvár in accordance with the convention base. The Dénar was minted for the last time by Mária Terézia, in 1766 and 1786 the minting of gold forints was also discontinued. His commemorative coins were made with high artistic quality and expertise, in the full splendor of Baroque art. The reign of Maria Theresa (1740-80) brought fundamental financial changes. After Maria Theresa, polturas and denars were no longer minted.