Nephthys was the sister of Isis. She was usually depicted with the symbol of a house and basket on her head, as she is here. The name ‘Nephthys’ translates to “Lady of the Enclosure”, and she was often associated with the domain of the home and temple. She was thus also known as a priestess.
To find out more about the Ancient Egyptian amulets please see our relevant blog post: Egyptian Amulets and their Meanings: Ancient Egyptian Gods.