“Maine Vacationland” tourism promotion pane of 24, published by Maine Poster Stamp Society, 1940; artist signature Don Mackay; size approx. 10.5″ x 9.7″; four-color process printing.
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.