The stylized bird forms seen here in repeating pairs were a popular motif in 3rd century Rome, and many similair works have been excavated at a wide array of European sites; though their significance beyond the decorative is yet unknown.
Fragment
Egypt
Tetradrachm (Coin) Portraying Queen Cleopatra VII
Roman; minted in Eastern Mediterranean (possibly Antioch, Syria)
Border
Egypt, probably Akhmin
Bust of Seleucus Nicator of Syria
Italian Chiurazzi and De Angelis Foundry, Naples, Italy