I have a used Armisport. It is partially defarbed(modern markings removed and stock cartouche behind the lock). I have not stripped the finish yet however.
The only non-issue is the ramrod was welded and had to be filed to repair where it feel apart. This does NOT affect the ability to use the ramrod, but just a small cosmetic thing.
I would like $560 with shipping (s&h alone will be clsoe to $30). Please send a PM if you are interested or would like pictures.