Bidspirit auction | Soviet Union - Stamps and
Soviet Union - Stamps and Postal History - 1982, Equestrian Sports, 6k multicolored, water-color essay, size 125x90mm, signed by the artist N. Litvinov at the bottom, VF and unique, stamp of the same but mirrored design was issued with denomination 15k, Est. $400-$500 , Scott #5017