The Roadshow returns to Woodhorn Museum in Northumberland, a former colliery that tells the story of coal mining and the miners' way of life in the north east of England.Mark Smith hears the moving story behind a George Cross medal awarded to a miner who helped rescue the victims of a pit disaster in 1947, and Fiona Bruce finds out how miners' lamps proved a vital piece of safety equipment.Alexandra Aguilar admires a portrait of a woman in Japanese dress and asks the owner if she'd be prepared to sell her own grandmother, while Raj Bisram sees football memorabilia signed by local Ashington lads Jack and Bobby Charlton.Andy McConnell can't quite believe a young man with a passion for glass from the north east of England has spent thousands of pounds on two tiny firing glasses – but has it proved a shrewd investment?Wayne Colquhoun is thrilled to see a quirky piece of local movie memorabilia, a car park sign that featured in the movie Get Carter, while Geordie expert Steven Moore challenges Fiona to put three beautifully embroidered quilts in order of value.