The site near Dumfries looks exactly as it would have when the last workers left in the 1940s.
Allan Ginsberg's graphic verse had a seismic effect on American society. When two people were put on trial for selling it, the judgement was a landmark moment in loosening censorship.
Matthew Lamb, from Hull, says he believes the photo was taken between late 1928 and early 1929.
The burial site of the ancient pre-Incan Chimu culture was found largely intact.
The item, which was due to be sold to an overseas buyer, is described as "exceptionally rare".
In 1978, Georgi Markov was killed with a poison-tipped umbrella. The following year, his widow and elder brother told the BBC how they were warned about the murder plot months before.
Dorothea Bate discovered the dwarf elephant and the myotragus, an extinct goat-like antelope.
Reigate's Caves may be only about 100 metres long, but they are packed with history.
It commemorates the lifting of the Siege of Gloucester - a pivotal moment of the English Civil War.
