Vintage silver round ball with onyx stone pendant & long chain

#872 This is truly an amazing piece! Round silver ball pendant has lever to open and inside is an onyx round stone Not sure if sterling silver, has no markings but it looks real and does not magnetize as non silver jewelry except for gold. Chain looks sterling as well and no markings Super long thin chain Excellent preowned condition, no fade The stone inside seems like authentic black onyx Rare piece! Price is firm! All sales are final no refunds