Statuette of Isis-Urania, Louvre MNE 439
Described in: UNE STATUETTE D’ISIS-OURANIA V. Tran tam Tinh https://jstor.org/stable/41744006
Roman; gray-green schist (sandstone); can be also identified as Aphrodite-Urania or Apollo (deity for sure because of the starry mantle).
Ancient Greek Costume: An Annotated Bibliography, 1784-2005; pp. 148