Vintage Best Signed Scroll Rectangle Cage Pendant Silver Tone Metal 15108

Vintage Best Signed Scroll Rectangle Cage Pendant Silver Tone Metal 15108 It seems like one side has a thin opening, like where you can put something in there? This is a pre-owned item and may show slight wear, need to be cleaned, polished, etc. Approximate measurements: Length: 2.15" Width: 1.25" No original packaging.