Alabaster head of Isis with a hair locks and a knot characteristic for Isis and her priestesses, but only a goddess can wear a diadem. Roman sculpture made probably in Egypt found in the Aphrodite temple in Cyrene (Libya); 150-200.
British Museum collection, inv. no. 1861,1127.83
https://britishmuseum.org/collection/object/G_1861-1127-83