RUSSIA: 1 Rouble (1835CΠB HΓ) in silver (0,868) with crowned

RUSSIA: 1 Rouble (1835CΠB HΓ) in silver (0,868) with crowned double-headed imperial eagle. Crown above inscription and value within wreath on reverse. Varieties: St George with cape at center of the shield on breast of eagle & seven wreaths on reverse. Inside slab by NGC "MS 61". Cert number: 57849839-006. (C# 168.1) & (Bitkin 176). Rare variety!