FALK, ROBERT (1886-1958) Portrait of Maria Shabshai , signed twice, once with an initial. Oil on canvas, 116.5 by 89 cm. Executed in 1929. Provenance: Private collection, UK. The work will be included in the forthcoming publication, Supplement to the Catalogue Raisonné of the Paintings by R.R. Falk, being prepared by Yu. Didenko and D. Sarabianov.