Essay of a stamp envelope of national mail.Ri.1878. Series "Standard Issue".Stampel "oval in a rectangle."7 kopecks.CMS-GK No. G...

Essay of a stamp envelope of national mail.Ri.1878. Series "Standard Issue".Stampel "oval in a rectangle."7 kopecks.CMS-GK No. GKNTSR12 (stamp, blue, upper valve, hummic).The paper is dense (smooth, without V.Z.), stamping of the congregation (blue).145x82.- -.-GKP-36127 trays..Electronic copy source: PB