A Mulberry bag for less than 100 quid sounds too good to be true already, but add to that the fact that this limited edition, £85 red 'Roxanne' handbag is being sold for a great cause - and just in time for Christmas - and you've pretty much reached bag heaven.

It's part of an edgy new capsule collection available at Gap, which has teamed up with the (RED) initiative, an AIDS charity that ...