A great gift idea for your husband could be a physical version of his favorite cryptocurrency. This can be either in the form of a commemorative coin or a paper wallet that represents his investment. You can also consider gifting him a cryptocurrency hardware wallet that can help him store his digital assets safely. Another option is to gift him a book on cryptocurrency and its future implications. You can also plan a tour of a local cryptocurrency mine or a blockchain-based company if available in your area. This would be a unique way to celebrate your anniversary while indulging in something he loves.
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.