Saw this on Facebook - not a bad price if you want a physical reading copy - it has some condition issues, but is complete.

Proceedings of the J.R.R. Tolkien Centenary Conference, 1992 Held at Keble College, Oxford, England
US$ 100 plus shipping
"Binding in the back 10 page is beginning to come loose though no pages are missing.Front,back cover and binding have creasing."

(Not the seller, just sharing as FYI)