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The roadshow visits Cromford Mills in Derbyshire, where our experts dig up a garden gnome, a 100-year-old bar of chocolate and a Picasso.

Joanna Hardy is wowed by a collection of jewellery that epitomises the 60s and 70s, while Marc Allum is impressed by a set of signatures with a true rock鈥檔鈥檙oll pedigree. Lisa Lloyd meets an original It Girl in the form of a shop mannequin from the company responsible for the Liberty bodice, while Will Farmer is impressed by a plate with a design by Picasso from the south of France.

Duncan Campbell unboxes a collection of silverware not seen for half a century, while Chris Yeo meets a garden gnome who鈥檚 a long way from home. Lawrence Hendra is impressed by a Congolese painting bought in a job lot from a charity shop, while James Broad spies a camera disguised as a watch. Hilary Kay is captivated by the small scrap of cloth that had a big part to play in the capture of notorious Australian outlaw Ned Kelly, while Mark Hill gambles his reputation on a greyhound-themed slot machine.

Meanwhile, Fiona Bruce traces the roots of the Industrial Revolution to the banks of the Cromford Canal, and meets Adrian Overton, a horologist with a timeless passion for clocks.