This listing is for a vintage paper advertisement. This is a 1958 ad for a B&O Baltimore & Ohio Railroad! The size of the ad is approximately 5.5x11.5inches. The caption for this ad is 'Plotting a new plant site? Elementary, my dear Watson' The ad is in good overall condition, with some wear including a light vertical crease. This vintage ad would look great framed and displayed! Add it to your collection today!