LOL, PP, no more action shots from me until I lose about 20 pounds.
I think you would have to be VERY lucky to land something in these stores, but you never know, no harm in asking. If you have no luck in the South of France, you could always try Paris. The Easyjet airline from Nice to Paris is a quick, cheap and fun day trip and you can see the lovely SAs in the airport Hermes - great scarves there usually but no special bags.
www.easyjet.com or co.uk
Not a trip to make in August perhaps when supplies of Birkins will dwindle as all of France including the craftspeople will take their holidays, but June/July, might be worth it