World coins
Russia
Red Army propaganda issue, following the fourth Duma, octagonal counterstamp proclaiming the "Deposition of the Romanov Dynasty, March 1917", on Nicholas II, 50 Kopeks 1912, Bitkin 91. For countermark, see V. V. Kazakov's "Coins of the Reign of Nicholas II", 9.99 g - rare and historically important issue
VF