The first Eastern Seaboard Models release of its N-scale X58 Box Car model sold out quickly earlier this year. A second release has arrived for this 50-foot Exterior Post Box Car. The prototype dates to the early 1960s and was constructed by Pennsylvania. More than 2,500 examples were built and found service in PRR and its successor roads, including Norfolk Southern. Lehigh Valley also rostered a hundred X58 cars. Eastern Seaboard offers variations to its X58 tooling, based on prototype.