A very special piece! 1920s, 10K white gold pendant necklace in original store display box. Beautiful filigree pendant with center blue stone that is possibly a sapphire, I don’t know for sure. Small pearl on drop. Stamped 10K, see photo with magnifying loupe. I think the markings on the clasp are the makers marks, see photos. In beautiful display box with easel insert. A very special piece for a very special person. Measurements Paper clip style chain is 16 inches including clasp Drop is...