Bidspirit auction | Soviet Union - Stamps and

Soviet Union - Stamps and Postal History - 1930, definitive issue, Volkhov Hydroelectric Power Station, 3r yellow green and brown black, perforation 12½, top sheet margin block of four, printed on paper with horizontal watermark Borders and Rosettes, full OG, NH, F/VF, Est. $150-$180 , Scott #437