I found some websites that have the chanel jumbo flap bag.

1. http://stores.channeladvisor.com/fashionphile/items/item.aspx?itemid=1247107
   
2. http://luxury.malleries.com/authentic-chanel-black-caviar-jumbo-flap-bag-i-21613-s-199.html
   
3. http://luxury.malleries.com/2009-nwt-authentic-chanel-caviar-fushia-jumbo-flap-bag-i-21060-s-199.html