This is a finger ring.
It is from Tell Farum, near San el-Hagar. Jewellery was worn for adornment. It might also give some spiritual protection. This ring has figures of the goddesses Isis and Nephthys, so wearing it might call upon the goddesses to protect the wearer. This is a finger ring. It is made from faience. This is about 2,500 years old, possibly dating to the 28th Dynasty in Late Period (404-399 BCE)