Watch List notes:

RUSSIAN COINS. Nicholas I, 1825-1855. Platinum coinage. 3 Roubles 1842 СПБ. Platinum. 10.30 gm. Fr 160, Bit 88 (R), Sev 637 (S), Uzd 0403 (S). Authenticated and graded by NGC AU 53. About uncirculated

Estimate: $2500