15/kopeks/1912/SPB (Saint Petersburg mint) // Double-headed eagle, mint-master's initials. 20mm, 2.7 grams. Saint Petersburg mint. Y#21a.2; Numista 4060.
This type was minted for decades under the Tsars Alexander II (1855-1881), Alexander III (1881-1894) and Nicholas II (1894-1917).
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