A World War I-era envelope from the correspondence of Private Willis W. Wagener, U.S. Army, mailed home to his family in Ceres, California in September 1918. Printed with the American Y.M.C.A. emblem and "Soldiers Mail" designation — free postage extended to American servicemen — the envelope bears a U.S. Military Postal Express Service cancellation and a purple censor's stamp marking it "Passed as Censored," with the sender's Engineer company noted beneath. Sent in the final weeks before the Armistice, this envelope reflects the everyday mechanics of a soldier's mail: free stationery furnished through welfare organizations, wartime censorship of outgoing letters, and the long path home from the front lines of France to a small California farming town. Project: 218241