Bidspirit auction | RSFSR Issues 1918-23

RSFSR Issues 1918-23 - 1921, New Russia Triumphant, imperforate proof of 40r in gray violet, large size stamp (small angle to the right), right sheet margin block of four, pre-printing paper fold, full OG, NH (1) or VLH, VF, Standard Cat. #Pr(7 II), Est. $400-$500, Scott #187