A.C.
My advice would be to try craigslist. Post that you are looking to swap. I would be VERY careful about doing the actual swap, though. Meet in a neutral area. Also, I would make sure to verse yourself in what makes the purse you are getting authentic. It is so easy to have a really good knock-off these days and you don't want to end up with less than you started with. I know pawn shops don't accept purses because it is too hard to verify their authenticity. You could also try ebay but again with the authenticity. Do you have a few girlfriends who also have designer bags? You could throw a swap meet, then everyone ends up with a new bag and you get to hang with the girls! Good luck :)