BORIS SHCHERBAKOV (RUSSIAN 1916-1996) Old Big Tree by the Gate, 1981 oil on board 54.5 x 67 cm (21 1/2 x 26 3/8 in.) signed and dated lower right; signed, dated and titled on verso PROVENANCE USSR, Art Export Salon no. 36277 (label on verso); Gekkoso Gallery, Tokyo (label on backing board)