Arabia, Bostra, Severus Alexander, AD 222-235, AE 18. Zeus Ammon. 
Arabia, Bostra, AE18
 
Arabia Petraea, Bostra, Severus Alexander, AD 222-235,
AE 18mm (3.31gm). R: Zeus-Ammon r., wearing solar disc.
Cf. Lindgren 2536; SGI --; Hendin --. Scarce.