How about creating a personalized button or pin collage? Purchase a shadowbox from a craft store and add pictures of your friend and their spouse, along with their button and pin collection. Arrange their collection in a creative manner and make sure to add a message or a quote somewhere in the collage. Your friend will cherish this unique and personalized gift for years to come.
Or you can get her/him a star map with the date of the wedding.
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.