How about a custom beaded bracelet or necklace made just for him? You could source high-quality beads in his favorite colors and create a unique design. Alternatively, you could gift him a beading kit with all the materials and instructions he needs to create his own beaded jewelry. Additionally, you could also consider a gift certificate to a beading class or workshop to give him the opportunity to learn new techniques and meet other beading enthusiasts.
Or you can get him a star map with the date of your anniversary.
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.