Essay postage.RSFSR.1920?.Star against the background of the gear.20 rub.TsMS-GK No. GKN18 (dark blue, purple stamp "Gos.k." on ...

Essay postage.RSFSR.1920?.Star against the background of the gear.20 rub.TsMS-GK No. GKN18 (dark blue, purple stamp "Gos.k." on the back, parts of the sheet-18 m.; 13 m.; 12 m. And es-tsa).Author: The author is unknown.The paper is simple (with glue), lithographic printing.16x25.- -.-Frames "Provisional Government.RSFSR »GKP-32260/1..Electronic copy source: PB