French industrialist (1878–1935) best remembered for the make of car bearing his name. ALS in French, one page, 5.25 x 8, Montreaux Palace Hotel letterhead, September 30, 1925. In full (translated): “All my thanks, dear Mr. Bernstein, for your fine telegram. I was particularly touched by it and I ask you to believe in my cordial and devoted sentiments.” In fine condition. Accompanied by a “Taxis-Citroén” stock certificate bearing Citroén’s facsimile signature issued on February 5, 1924, with 27 coupons still attached. RR Auction COA.