Jean-Émile Laboureur (1877-1943) Races at Longchamp. 1938. Burin and drypoint. 475 x 375. Laboureur 534. Perfect proof on vellum, from the 5th state (of 6) before the engraved letter, signed in pencil. Full margins. Edition of approx. 113 proofs, before the print run for the Chalcographie du Louvre. Joint: L'Exposition de 1937. 1937. Burin and drypoint. 425 x 348. Laboureur 530. Fine proof on white vellum, of the 3rd state (of 4), before erasure of the remark, unsigned, prior to the Chalcographie du Louvre print run. Some scattered light foxing. Soft crease in lower right corner. Full margins. Ens. 2 p.