Dark Paste Locket Gold Filled Antique As Found Vintage Paris Jewelry PreStyled Sets

Antique darkened paste locket in gold filled metal.  Missing two paste stones.  Hard to see as the other stones are dark.  Measures approx 1.25 inches and just over with top loop.  Top loop is on the smaller side and not soldiered shut.  Inside has wear and a few bite-like marks on back.  Closes with a snap.  Locket circa early 1900s.