This is one of two cuff bracelets found on the wrist of a deceased individual. This one has rounded ends, while the other has squared ends.
From Kerma: tomb KN 35. 1915: Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Sudan. (Accession date: March 25, 1992)
Harvard University—Boston Museum of Fine Arts Expedition