Bidspirit auction | Soviet Union - Issues of

Soviet Union - Issues of 1958 - 1958, Radio Day, 40k blue green and red, top sheet margin single with perforation L12 1/2 instead of comb 12x12 1/2, in addition the stamp representing genuine double perforation on the selvage, full OG, NH (LH on margin only), VF and very rare, N. Mandrovski certificate, this stamp was sold in our Auction #63 (2014) for $3,750 plus appropriate commission, Est. $3,000-$3,500, Scott #2063 var