How about a special edition copy of George Orwell's "1984" novel, personalized with your dad's name engraved on the cover? You can also add a handwritten note expressing how much you appreciate him and his love for literature, explaining how it influenced your own interests. You can also gift a set of vintage British newspapers or magazines from the time when Orwell was writing as those would be relevant to him as an Orwell enthusiast.
Or you can get him a star map with the date when 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.