You're welcome. I honestly don't know how much you would get for them. Inevitably, military buttons tend to command higher prices and the company was a supplier to America during the Civil War (both sides, I think) so those have greater collector interest too. If the design had been in better condition then I would have thought a French collector would take your hand off... especially a set of six. In that condition, I couldn't say, but I doubt you're sitting on a fortune (my opinion only).