II. During the reign of the Russian Tsarina Catherine (1762-1796), Russian coinage underwent significant changes. In order to boost economic development and trade, the Tsarina minted new coins that met European standards. The most important change was changing the weight of the ruble. Instead of the previous 480, the weight was changed to 492.69 grams, which was in line with Western European countries. In addition to the ruble, the rublevka minted from silver and the kopek minted from copper also remained. The tsarina also minted new coins, gold, 1 ruble, 5 ruble, 10 ruble, 25 ruble, 50 ruble, silver 2 ruble, 5 ruble, 10 ruble, 25 ruble, 50 rubles, copper 1 kopek, 2 kopecks, 3 kopecks, 5 kopecks, 10 kopecks, 25 kopecks, 50 kopecks. II. Coins minted by Katalin were also significantly better in their artistic design than those made in the previous period. During the Tsar's reign, Russian minting activity increased significantly, and Russian coins became recognized in Europe. Coins minted by the Tsar are still highly prized by collectors today.