One of the UK’s top tourist attractions is cashing in on Mohamed Al-Fayed memorabilia - despite a torrent of sex abuse allegations against him. London’s National Portrait Gallery is selling greeting cards and prints of the shamed Harrods tycoon in its online gift shop. A black-and-white photograph can be purchased as a card for £4 or a framed picture for £16. The image - featuring Fayed in a suit surrounded by ornate furniture - was taken in 1980 and once graced the gallery’s walls. The