A gold ring with flat-section hoop, series of inset applied domes to the outer face, supporting a tiered ellipsoidal bezel featuring borders of applied granulated beads and a cut and polished carnelian gemstone with inscription on two lines: 'MAM / I NO', with retrograde 'N', probably a personal name. 3.92 grams, 24.90mm overall, 18.33mm internal diameter (approximate size British P, USA 7 1/2, Europe 16.23, Japan 15) (1"). Very fine condition. A large wearable size.