Yes, when he was seventeen in the early seventies. It's rather well-done in a stylistic, gothic-y-looking way. "It's quite funny actually - the border is made up of Orcs climbing on top of each other up the sides, and crawling along the top and bottom. For the Tolkienesque out there, it features Gandalf with the Red Ring shining and Glamdring to hip, with Samwise and Frodo hobbits, and also three portraits of Legolas the Elf, Gimli the Dwarf and Gollum the gollum." When Pete Robinson asked Cauty about it, he mentioned that 'it was mainly student nurses who bought it'. It is signed J. Cauty at the bottom. This is one of Athena's best-selling posters, and rumour has it that they came to pick it up in a helicopter. The publishing information from the back of the poster:
2931 Lord of the Rings/ Artist: J.Cauty. illustration based on the Lord of the Rings by J.R.R.Tolkien (c) George Allen & UNWIN (PUBLISHERS) LTD. 1954, 1966 (c) 1988 Wizard & Genius-Idealdecor 8618 OETWIL AM SEE/ZURICH Switzerland.
(this information is taken from the old FAQ - note that the original poster says (c) 1976 - Ed.)
Interestingly, the Walt Disney company used an image for one of their own comic books about Donald Duck experiencing the LOTR story, which is highly inspired by Jimmy's poster.
For more details and a high quality scan see Athena Posters.