For members who've been looking for an authentic Putty Stam, there's one on Ebay now. Seller is PersonalShoppers, the item is not on www.my-personalshoppers.com though.
http://cgi.ebay.com/2006-MARC-JACOBS-PUTTY-QUILTED-LARGE-STAM-BAG-NWOT_W0QQitemZ6889742791QQihZ013QQcategoryZ63852QQrdZ1QQcmdZViewItem
http://cgi.ebay.com/2006-MARC-JACOBS-PUTTY-QUILTED-LARGE-STAM-BAG-NWOT_W0QQitemZ6889742791QQihZ013QQcategoryZ63852QQrdZ1QQcmdZViewItem