OK Mike,
You did not ask, but it's the "X" that is significant to me. According to Louis Hertz, the "X" means the engine was assembled with blind center drive wheels, and tinplate flanges to run on tubular track. Some folks do not believe Mr. Hertz was correct. I'd would be interested to read what Dennis Waldron had to say about it. Here is a couple of links:
As far as getting your buddy to join is concerned: I am the only person in my group of collector friends participating on this forum.
