Watch List notes:

Russia 1 Polupoltinnik 1767 ММД-EI. Moscow. Catherine II (1762-1796). Averse: Crowned bust right. Reverse: Crown divides date above crowned double-headed eagle shield on breast. Silver. Edge cordlike leftwards. Coin Defect. Bitkin 143. But here's a different portrait; see the excerpt next to the first letter - do not found in cataloques !!!