ERTE (Romain de Tirtoff), Rosen Kavalier, gouache on paper, signed l/r, stamped on the reverse 'ERTE ROMAIN DE TIRTOFF Composition originale' and inscribed 'N12.221 "Rosen Kavalier"--14 1/2 x 10 5/8 in. (37 x 27 cm.)