Vintage Metropolitan Museum of Art (MMA) Coral & Turquoise Earrings These vintage estate earrings are southwestern-inspired red coral and turquoise earrings hand-wrought and crafted by a highly skilled craftsman for the Metropolitan Museum of Art. They are slightly different from each other in shape, size, and design, yet they are clearly a pair. The stones are beautifully matched red coral cabochons with a halo of small turquoise rounds. Signed“MMA ID” Made of sterling silver that has been acid tested for authenticity.