How about getting your grandpa a Poetry Book, your grandpa can read at his leisure time. There are several outstanding poetry books available from classic poets like Robert Frost and Walt Whitman to fresh voices like Amanda Gorman and Rupi Kaur that might appeal to his interests. Additionally, you might consider finding a local poetry group or open-mic night where he can listen to live poetry readings in person. Booking tickets to a future poetry reading event would be a treat for him to look forward to experiencing. You could check local theaters, libraries, or universities for upcoming readings.
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.