Picked this up at small town 2nd hand store a week ago, clasp says 14KG, I've gently cleaned them, they were very grubby, and yellowed, passed the tooth test, heavy and colder than any faux pearls l have, but not sure what kind, or quality. They were hanging up with a big display of vintage jewelry of all sorts, but I'm always straight to the Pearl's, lol! Seems some damage to one by clasp, and possibly some glue residue on several others as well. Will try to upload photos now, tia for any information!