Majorica pre owned pearls necklace made at the island of Majorca, Spain Like new

This is a beautiful necklace featuring pearls are men made using a proprietary process, in the island of Majorca, Spain. They are gray with pronounced peacock iridescence and have 7 mm in diameter. The necklace has the Majorica, M letter hang tag and has additional marks for sterling silver 925 and number CO275 on the clasp, which is another identifier for Majorica pearls. Weight: 24.28 grams Length: 18"