How about a beautiful bouquet of pink roses or a pink-themed gift basket?
You could also consider buying her some pink jewelry, like a necklace or bracelet with pink gemstones.
For a unique gift, you could plan a weekend getaway to a spa or resort where she can relax and indulge in pink-themed treatments like rose petal facials or pink champagne massages.
Lastly, if your wife loves to read, consider getting her a collection of books or a Kindle in her favorite shade of pink.
Or you can get her 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.