Well, I hate to dig up an old post, but I recently acquired a Swiss 1900 with 3 digit serial number and I thought that I should let you know so you can add the information to your database...
The serial number is 501. I will be happy to take pictures and send them to you...I have the Gun, cleaning tool case, tools (all swiss marked) and the magazine, no markings as stated above, but with wood and polished metal.
I am brand new to this forum as I stumbled across this while researching my purchase...
You can email me direct if you wish at
keeptahoeblue03@yah--.co- (do not want some email phishing engine to pick up my email)
AC