This is a beautifully made Victorian era puffy heart charm souvenir for Buffalo, NY a very popular destination where Niagara Falls is located.
The front depicts a raised Repousse Buffalo and the raised date year 1901. The Victorian Era ended that year (1901) with the passing of Queen Victoria.
The back is marked "Sterling". The charm measures 15/16" tall including the jump ring on the top. It is 9/16" at the widest point.
In good condition for its age, it does have a dimple at the back. This is not uncommon as they are hollow. Wear it on your charm bracelet, add it to your penca de balangandan or as a single charm on a chain.