While my mom and I were in Paris we went to the Saint-Ouen Flea Market. What a great place! We came across this great vintage pin booth and they had pins of all kinds! We spent forever looking through all the pins in a ton of different categories.
We were most excited about the postal category!
If you are in Paris and want to get your hands on some awesome vintage pins, check out porte-clés pins. Stand 81, Allée 4 at the Saint-Ouen Flea Market