This is a bracelet.

It is from Egypt but the exact location is unknown. This type of shell bracelet was found in the pan graves at the sites of Abadiyah and Hiw. The Pan Grave people were from Nubia, to the south of Egypt. They worked in Egypt as soldiers and police.The bodies in the graves wore three bracelets like this on each arm. This is a bracelet. It is made from shell. It is at least 3,800 years old, dating from the 12th Dynasty (about 1985-1795 BCE) in the Middle Kingdom.