One of a pair (24.559) of large, heavy rings, with triple projections facing each other at 180 degreesl; somewhat corroded and stained green.
From Nubia, Meroe (Beg.) North 18A March 1921: excavated by the Harvard University-Museum of Fine Arts Expedition; assigned to the MFA by the government of the Sudan.
Harvard University—Boston Museum of Fine Arts Expedition
Nubian, Meroitic Period, reign of Queen Amanikhatashan, A.D. 62–85