VALENTIN ALEXANDROVITCH SEROV (Russian, 1865-1911). STUDY OF MAN WITH BEARD, inscribed in Cyrillic (name of subject) "Abram Chisay" and located Kapulivra and dated 1878 lower left. Also inscribed in old Russian Cyrillic Alphabet on reverse work done by V.A. Serov certified by O.V. Serova-Khortik. Graphite on paper. - Sight: 6 1/2 in. x 4 3/4 in. Estimate $4,000-5,000