How about a vintage edition of poems written by his favorite poet, such as Robert Frost or Walt Whitman, with a personalized bookmark and a handwritten note from you expressing your appreciation for his love of poetry and the positive influence it has had on your life? You could also consider subscribing him to a poetry magazine or gifting him a membership to a local poetry society where he can meet other poetry enthusiasts and attend readings and events.
Or you can get him a star map with an important date you share.
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.