Bidspirit auction | Soviet Union Stamps of 1924-40

Soviet Union Stamps of 1924-40 - 1925, Aleksandr Popov, imperforated proof of 7k in red, printed on thick paper with text on reverse, used in 1949 on registered cover from Moscow to United Kingdom together with two other values (J. Barry's correspondence), British blue cross for registered mailing upon arrival, F/VF and rare, this lot has been sold for $325 plus appropriate commission on our Auction #91, unfortunately the customer refused to pay for it, Est. $300-$400, Sc. #328