Essay postage.Ri.1910-1914.Series "Mail Delivery".Delivery of mail on the steamer.35 kopecks.CMS-GK No. GKNR12 (blue, without te...

Essay postage.Ri.1910-1914.Series "Mail Delivery".Delivery of mail on the steamer.35 kopecks.CMS-GK No. GKNR12 (blue, without teeth (teeth painted), with glue).Author: Zarrinsh R.G.The paper is dense (smooth, tinted, gray-blue), lithographic print (blue).35x30;30x23.- -.-Horizontal windows GKP-40433..Electronic copy source: PB