I have a Union Watch Co, Boston, Mass, key wind, 18s, full plate Mvmt. If you can give information on it I would be thankful. It appears to have a bad staff. The low serial number is what draws my attention to it.
Patrick

Dial

Patrick, I had one similar which led to considerable discussin. It sold well though. Look at;
https://ihc185.infopop.cc/eve/f...193936077#7193936077