"The Fantasy of the Middle Ages" Exhibition, June 21-Sept 11, 2022; The Getty Center, 1200 Getty Center Dr, Los Angeles, CA 90049; https://www.getty.edu/art/exhibitions/fantasy/

Lists "Lord of the Rings ephemera" among the items exhibited. Exhibition catalogue, "The Fantasy of the Middle Ages: An Epic Journey through Imaginary Medieval Worlds" by Larisa Grollemond and Bryan C Keene depicts a few Tolkien items, both films and books. Release July.
Probably not very much Tolkien stuff, but...