How about gifting them a complete collection of J.R.R. Tolkien's works? This could include The Lord of the Rings, The Hobbit, The Silmarillion and any other books in the Middle-Earth universe, which they can revisit at any time. Another option could be a limited-edition copy of their favorite Tolkien book with special illustrations or covers. Alternatively, you could also consider gifting them a Middle-Earth map or a replica of the One Ring to add to their Tolkien collection.
Or you can get her/him a star map with the date when she/he was born.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.