Margie Cooper and Tim Medhurst are reunited. Our Cheshire-based silver expert beat the Dorset-dwelling coin guru last time they were paired a few years ago. Margie's keen to do it again, while Tim is playing for pride, pleasure and, of course, profits. They start out in Blackpool, and this time the wheels will be an electric-powered 1970 crew cab fire engine. Can they set the saleroom ablaze when they go head-to-head?