Watch List notes:

Nicholas I (1825-1855), Module 5-Roubles, 1845, Paris, by Thonnelier's Press, in copper, for the St Petersburg Mint, 'Half Imperial Dimension, 15 August 1845', edge plain, 5,02g, 12h (Sev. 3486A; Diakov 697; Bitkin 1280 [R2]), good very fine, very rare

provenance
Kunker 212, 31 October 2012, lot 9381