user posted image
5 Kopek 1914 СПБ BC
user posted image
10 Kopek 1914 СПБ BC
user posted image
15 Kopek 1914 СПБ BC
user posted image
20 Kopek 1914 СПБ BC

Mintmasters:
АГ = Apolon Grasgov (1883-1899)
ФЗ = Felix Zahleman (1899-1901)
ЭБ = Elikum Babajants (1899, 1906-1913)
AP = Alexander Redko (1901-1905)
BC = Viktor Smirnov (1913-1917)

These coins were minted in St.Petersburg with mintmark CПБ from 1860 to 1914. From 1860 to 1866 the were made of 750/000 silver, but in 1867 their silver content was lowered to 500/000. Coins depict Russian imperial eagle with mintmasters initials under its legs, on the other side is denomination, date and mintmark.