1970, Pine Marten, 6k multicolored, black and brown colors missing, bottom sheet margin horizontal pair, tied by Moscow General Post Office "19.8.70" First Day cancellation, full OG (NH), VF and very rare, especially in pair, only a few stamps were found with this error, this pair is probably unique, P. Buchsbayew and L. Hovest certificates, Est. $1,000-$1,200

600.00

1972, Leonid Sobinov, Famous Opera Singer, 40k deep brown and buff, right sheet margin re-called stamp with the text at bottom reads "People's Artist of the USSR", which was incorrect, re-issued stamp has text"People's Artist of the Republic", full OG, NH, VF and a gorgeous example, Est. $2,000-$2,500

1975, Paintings by Fyodor A. Vasilyev, 4k multicolored, all colors omitted except frame in gray, lacquered coating is intact on complete miniature sheet of seven with label at the top left, pre-printed First Day cancellation, full OG,NH, VF, extremely rare and unrecorded item, Est. $3,500- $5,000

1975, Palekh Arts, 4k-20k, complete sheet of 20, containing four horizontal se-tenant strips of five stamps, imperforated on the left, full OG, NH, VF and scarce multiple, Est. $900-$1,200

750.00