Antique Miniature Painting of Young Woman, From Jewelry?

Description

This little painting is about the size of a penny and hand done on a thin cream colored disk. It appears that it may have been set in a piece of jewelry at one time as there are tiny pleats on the paper backing.
Certainly quite old but no idea of origin and no information was available at the estate sale where we found it.
Domestic first class shipping with tracking .
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