Antique Pocket Watch Chains

Worth Pinfire 2mm arms?

I recently came across an old pocket watch chain Austrian 2mm Pin Fire Pistol Shot only. No idea the value, in good condition?

Best to send photos to an expert. These old people are sooo cooool Pinfire a weapon Fire geek like me, but I've never seen sell for more than a few hundred dollars.

Antique HRI GrandJean Repetition Pocket Watch 18K Solid Gold