Postcard from San Francisco to New York City, mailed May 1909. “Raisin Day” promotional sticker, unknown source, probably by a grape/raisin producer association, a rare survivor.
May 1938 airmail cover for the opening of a new route, with 2 Cinderellas on the front. The Air Mail etiquette is for Northwest Airlines, the carrier on this route. The Railway Express Agency, seen on an advertising stamp, was a package delivery company created during the World War 1 by the government for all railroads, it survived until 1975.