French writer and philosopher (1920–1979) most remembered for his journalistic contributions to Combat and political columns in Le Nouvel Observateur. ALS in French, signed “M. Clavel,” three pages on two sheets, 8.25 x 10.5, no date. Untranslated letter to a gentleman. Scattered toning, intersecting folds, and slight paper loss to the top of one sheet, otherwise fine condition. RRAuction COA.