There is more than one Marx train set numbered 52875. For some confusing reason, at least four variants of this set, dating to the mid 1960s, exist. All of them are similar in that they feature a 2-4-2 steam locomotive with a slopeback tender pulling three freight cars and a caboose. But the consist varies. And in one case, the locomotive varies.
David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.