By Amelia Ward The Antiques Roadshow has been on BBC One since 1979. The iconic travelling show values items brought forward by hopeful local residents, usually with an interesting story- some make a fortune, and some are left bitterly disappointed. Some of those that got lucky have left the show millionaires, having had their various items valued at incredible amounts of money – but what are the most expensive finds the veteran show has thrown up? Angel of the North model – £1,000,000One of the most valuable items ever seen on Antiques Roadshow is a man-sized model of the Angel of the North, …