Emperor Francis I (of Lorraine) ruled the German-Roman Empire from 1745 to 1765. During his reign, the coinage remained in the hands of the Viennese court, and the imperial mint operated in Vienna. The coinage of Emperor Francis did not bring significant changes compared to the previous practice. The main currency was still the piece of gold, the ducat, but the emperor also minted many smaller coins. Among the silver coins, the most frequently minted coin was the thaler, but 1/2, 1/4, 1/8 and 1/16 thalers were also minted. Among the copper coins, the krajcár was the most frequently minted coin, but 1/2 and 1/4 krajcárs were also minted. The coinage of Emperor Francis also has value from an artistic point of view. Imperial coins were characterized by beautifully elaborated depictions, and the minting technology also developed. The ducats of Emperor Francis show the portrait of the emperor and the imperial coat of arms. The weight of the ducats is 3.5 grams, and their pure gold content is 986.67%. The emperor's thalers show the portrait of the emperor and the imperial coat of arms. The thalers weigh 28.066 grams, and their pure silver content is 889.00%. The imperial coat of arms is visible on the Krajcárs. Several versions of the krajczars are known, of which the most frequently minted version weighs 2.49 grams and has a pure copper content of 960.00%. The coinage of Emperor Francis played an important role in the financial system of the German-Roman Empire. Imperial coinage spread widely throughout the empire and contributed to economic development.