I love these vintage silhouettes hanging in the foyer of Jessika Goranson's Upper East Side rental apartment. A mis-matched collection (different shapes and sizes) with a consistent underlying theme (black silhouette profile portraits) displayed in an intimately proportioned space yields a look that's both whimsical and sophisticated.
Here are more examples of vintage silhouettes displayed in the home.
A pair as part of a vignette.
A salon style gallery wall.
A pair of large silhouettes in a bedroom.
Part of a dining room vignette.
Displayed in a bathroom.
Whether you're looking to create an entire gallery wall, or add a pair to your home, vintage silhouettes are affordable and easy to find.
Here are some options from Etsy. I pinned these, along with my other favorites here.