But a set of 34 unpublished pictures of the Beatles is set to go under the hammer after it was discovered on an undeveloped film left in cameras belonging to the band's official photographer.
The photos were taken by Derek Cooper over a 13 year period and feature the Fab Four in their days starting out at Liverpool's Cavern Club up to their acrimonious break up in 1970.
The collection features the band at a studio photoshoot, filming the video to A Day In The Life in 1967 and appearing a guest judges on BBC show Jukebox Jury.
Mr Cooper, who enjoyed unrivaled photographic access to the the band from their earliest days, left the cameras to his childhood friend Tony Burke when he died in 1983.
But Mr Burke was unaware that the cameras contained film and left them gathering dust in his loft for more than a decade.
When he eventually developed the film, he discovered that they contained 34 unseen pictures which were turned into prints.
They are expected to fetch more than £2,000 when they go under the hammer at Wolverhampton auctioneers Cuttlestones later this month.
Tom Waldron, sale room manager at Cuttlestones, said: 'We are honoured to have the opportunity to sell such a rare collection.
'Due to the band’s massive fame most images of them have been extensively reproduced so when these negatives were originally discovered it was a real treasure trove.
'You won’t find these images anywhere else in the world - they are completely unique.
'Beatlemania is still very much alive and the market for Beatles memorabilia is as good as it has ever been.They epitomised the sixties and their music is still relevant today. 'The photos cover everything from their humble beginnings at the Cavern to their psychedelic days before the band split. The collection is all-encompassing.'
By Steve Nolan