service for its 1472-day inspection. During the inspection, it was found that the engine's firebox crown sheet would have to be replaced for the engine to continue to operate, the cost of which exceeded the budget allocated for the engine's restoration. Thus, the museum instead opted for a cosmetic restoration, with the engine receiving a new livery of green (a different shade from that worn post-1999) with red and gold lining. This livery, based on the layers of paint uncovered from the engine during restoration, is believed to be closer to that originally worn by the engine. The restored engine was returned to display in the roundhouse in September, 2017. References External links William Mason Information Page Individual locomotives of the United States Baltimore and Ohio locomotives 4-4-0 locomotives Standard gauge locomotives of the United States Railway locomotives introduced in 1856 Preserved steam locomotives of Maryland