One gilded silver hemispherical cap. Possibly the broken peice of 18-2-304?
From Nuri, Pyramid 60, Chamber. 1918: excavated by the Harvard University-Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition
Nubian, Napatan Period, reign of Atlanersa, 653–643 B.C.