Elagabalus AE20 of Petra, Arabia. Obv: Laureate bust to right Rev: Founder ploughing field to right with oxen Legend above and below: PETRA COLONIA Reference: SNG Part 6 #1374, ANS 1373 Under Elagabalus the city Decapolis became a Roman colony, Petra. Earlier coins, Hadrian to Caracalla and Geta, all have Greek legends. All of Elagabalus's Petra coins have Latin legends and the title Colony. That was the mint's last issue altogether. Contributed by Dane, February, 2004.