for me the story is false. It lacks relief, details, typing the number does not conform and lack of depth and the chain on the suspension ...
Thanks for the reply, it is obviously not my favourite answer....but I appreciate you spent time.
Does anyone else having an opinion, should I need to add more pictures ?
Sorry, this one is definitely fake. It seems 15031 is a popular serial number among counterfeiters... Here's another fake #15031:
Thanks for the answer, this forum is definitivly THE place to be where you can find experts to support collectors and share knowledge and history.