Lot   Cat.#
826  C68b var
1935, red surcharge 1r on 10k dark brown, a single with small "f" variety printed on paper with horizontal position of watermark Borders and Rosettes, surcharge position 9 of 25-stamp setting, full OG, very light trace of hinge, VF, Soviet Philatelic guarantee on reverse, L. Melnikov certificate

Stamp Auction #83, September 13, 2019. Raritan Stamp, Inc