Numerous pieces of amuletic jewelry unique to Meroe are mixing and adapting conventional Egyptian symbols such as in this signet ring1
Gold signet ring with an anthropomorphic ankh crowned with feathers, winged and offering smaller ankhs
H of bezel 1.6, Kushite Dynasty 25
Ägyptisches Museum und Papyrussammlung Berlin #1708
Photo credit: Art Resource
References
1Lacovara P & Markowitz Y J, edited by D’Auria S. Nubian gold. Ancient jewelry from Sudan and Egypt, 2019, The American University in Cairo Press, pp. 167-169 and Fig. 150