Vintage Opal & gold set including stud earrings and necklace

Opal set gold and opal necklace w/ matching opal studs These are vintage and need to be cleaned properly, I do not want to try and ruin these pieces since they are so old - [ ] DISCLAIMER; Some inventory has been hand me downs, donated or purchased from liquidation sales, therefore Unfortunately, I/we cannot always control the environment that items are exposed to prior to obtaining them or while they are in transit. Apologies but We are unable to guarantee that these item have been kept in a smoke/pet free environment.