Russia 1 Rouble 1741 СПБ St. Petersburg. Ivan VI Antonovich (1740-1741). Obverse: Laureate bust right; initials below. Reverse: Crown above crowned double-headed eagle; shield on breast; X on tail. Silver 25.76g. Edge inscription. Old patina. Petrov 15 rub. Ilyin 12 rub. Bitkin 30 (R1) RARE