• etching, 1956
• signed and inscribed bon a tirer lower right margin recto, apart from the edition of 150
• inscribed VI upper left margin recto
• plate size 8" x 5¼" (20.3 x 13.3 cm.)
• paper size 12¾" x 10" (32.4 x 25.4 cm.)
• published by L'Imprimerie Nationale pour la Société des Bibliophiles Comtois, France

The bon a tirer master impression of one of the fourteen plates from Coutaud's illustrations for the bibliophile edition of Voltaire's philosophical novel.