This is a vintage sterling silver envelope stamp case pendant, often referred to as a "fob". These were originally designed in the late 19th and early 20th centuries to hold postage stamps. They can now be used to hold a photo or memorabilia of a loved one. Needs a bail.
Specs:
Weight - 4.46g
Material - Silver
Size - 32.6mm
Comes boxed. Please get in touch for more information.