2 Sets of Vintage Pierced Earrings Gold Dolphins MMA and Gold Green Jade - dolphins marked 14K and MMA (Metropolitan Museum of Art) and green jade drop. Brand: MMA dolphins, unbranded jade Condition: Vintage excellent Size: Approximately 1/2 inch Color: Gold Green Features: Dolphins with MMA initials on back Material: Metal Tiffany's Treasures and Trinkets is an online consignment shop that packages each order like a gift to a friend! We hope you enjoy our fun, functional and fascinating finds!