B&O RAILROAD BILLBOARD. Suitable for N and HO-Scale layouts. The B&O was one of the oldest railroads in the US and the first common carrier railroad. It is now part of the CSX Transportation network and includes the oldest operational railroad bridge in the USA. This long requested billboard is a faithful reproduction of the original. Does not come with supports. Measures approximately 2.2" tall x 1.8" wide. (Limited Production).