When you say you know the pearl is a "real" pearl, do you mean a Cultured pearl?
As you probably know Sonya, Natural pearls, formed without any human intervention are Rara Avis.
Sonya, in case you actually have found rara avis natural pearl in a junk car you certainly have hit beau filon! ("pay dirt" in French)
i am leaning towards your pearl being a cultured pearl One way to help in identifying Natural Pearls from cultured is by examining the Setting. You can gain valuable identification clues about the Pearl's history by examination of the setting.
The metal surround is 10k white gold, white gold is a noble metal, the color "white" in combination with pearl jewelry is often the preferred choice, of women, as the color of the metal, being white enhances the vestal beauty of a pearl.
We would need to see the mark in order to research this mark further. This requires images. If you like any more information, please fill in the Expert Opinion Form. (it is a Paid Service, with much faster turn around time )
