It was produced from the photographer's collection before his death. He refused to say when or where it was taken, but he did say that the figure in the photo went on to achieve world-wide fame.
Spig explains that since she's been working at the archive she's been trying to work out who it was, but has failed. Most presume it's Elvis Presley, but it could be a woman. It could also just be a tease by the artist!