Henri de Toulouse-Lautrec (1864-1901) Yvette Guilbert, in "Colombine à Pierrot". 1894. Lithograph. [270 x 350]. Delteil 96; Wittrock 68. Very fine proof printed in dark blue on glazed vellum, with stencil coloring, from the 3rd edition (after 1901). Slight marginal oxidation. Full margins. Very rare according to Wittrock: only one known proof in public collections (BN). Joint: same subject. [380 x 280]. A very fine proof in olive green on glazed vellum, from the 1950 edition. Full margins. Set. 2 p.