Luxury jewellery brand Tiffany & Co has launched its first ever advent calendar...but you'll have to be very quick, and very rich to get your hands on one. The luxury calendar contains 24 gifts priced between £100 ($128)and £13,000 ($16,667) with only four available in the whole world, and just one going on sale in the UK. Behind each door of the four-foot, 11-stone calendar lies a gift in the ...