The designs for the then Prince of Wales' coronet have been passed down through a family and have been valued at up to £10,000
The son of Sikh soldier Naik Gian Singh admitted: "I never thought it would be worth that much. I was crying."
The Omega Speedmaster Professional is known as the Moon Watch as it was worn by Neil Armstrong and Buzz Aldrin during the lunar landings.
The owner of the poster was working backstage at the 1985 charity pop concert and found it left with the bins afterwards.
The owner had been keeping the folded paper containing scraps of hair from romantic poets Coleridge, Wordsworth and Southey in a bottom drawer at home.
The fan's father was gifted a signed helmet and overalls by the Formula One star when he met him in 2008.
The well-read paperback copy of Harry Potter and the Philosopher's Stone has curling pages and a cover that has fallen off.
The BBC show - usually filmed as an open event at historic venues - will go ahead this summer with a small invited audience.
Antiques Roadshow is something of an instutition, a legend on British TV. Now, the show has found its most valuable item EVER, and we’re guessing those who brought it along probably had to do their best not to faint in front of experts and Fiona Bruce. The item was found when the show travelled to Harrogate’s Royal Hall.