 In Russia, foreign gold coins were made of high-quality alloy, which had a weight of a ducat (about 3.5 grams), they were called chervontsy.Mostly these were Dutch ducats, Hungarian "Ugric", and Tsekhin.Beginning with Ivan III until Peter the Great, gold coins that were minted were known as chervontsy or chervony, but however they were used mainly as award medals.