Sample of a stamp envelope of national mail.Ri.1879. Series "Standard Issue".7 kopecks.Michel No. U25D (stamp, orange, printing ...

Sample of a stamp envelope of national mail.Ri.1879. Series "Standard Issue".7 kopecks.Michel No. U25D (stamp, orange, printing round D12 mm "State collection" purple, on the front side in the lower right corner).The paper is dense (smooth), stamping of the congregation (orange).140x112.- -.-GKP-36135 trays..Electronic copy source: PB