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The roadshow is at Clissold Park in Stoke Newington in the London Borough of Hackney, where treasures include a racing helmet worn by Lewis Hamilton, Scandinavian jewellery and memorabilia from the film, Blade Runner.

Marc Allum hears the inspiring story of Brafa, the British Reggae Artists Famine Appeal, a fundraising response to Live Aid in 1985, while Will Farmer inspects a perspex mermaid sculpture by Arthur Fleischmann.

Jon Baddeley admires a collection of 60s psychedelic rock music posters, while Siobhan Tyrrell surprises the owner of a pair of medals when she reveals they are worth more because they’re made of plastic.

Hilary Kay is thrilled to see a racing helmet worn by Formula One champion Lewis Hamilton and hears about one man’s memorable race day experience, while Jon Baddeley appraises a remarkable collection of film props and memorabilia from the cult science fiction classic, Blade Runner.

Raj Bisram examines a one-of-a-kind Dunhill table lighter, and there’s stunning diamond jewellery for Susan Rumfitt to take a closer look at.

Fiona Bruce pays a visit to nearby Abney Park cemetery and finds out about some surprising pioneers who are buried there, such as Margaret Graham – the first British woman to make a solo balloon flight.