Antique Pearl Necklace Clasp Identification. Keep in mind that the value of a pearl necklace is tied to the quality of the pearls, and rarely to the maker. Pearls are older but I have no idea if antique.
Due to the age of many vintage strands they will have been rethreaded and it is important to purchase through a reputable dealer to get a guarantee of authenticity. The clasp will always be marked with the M in an oyster shell. Inspect the clasp if your vintage pearls are still strung on a necklace or bracelet.
Makers mark. on back looks like either an "F" or "J" in script over a triangular. object.
Due to the age of many vintage strands they will have been rethreaded and it is important to purchase through a reputable dealer to get a guarantee of authenticity.
Take your vintage pearls to an accredited appraiser. As with bracelets, commonly used vintage necklace clasps include ring clasps, foldover clasps, and box clasps. In antique pieces, it may exhibit changes in the shading of the metal.