How about getting him a special set of tea cups from a new or unique brand that he doesn't have yet? Or you could try finding a tea cup from a special collection or limited edition series that he has been searching for. If you can't find any specific tea cups, you could also try getting him a book or guide on tea cup collecting.
Or you can get him a star map with the date when he welcomed you in this world.
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.