Rhesaena in Mesopotamia, Caracalla, 197-217 AD.,
Æ 18 (18 mm / 5,96 g),
Obv.: [CЄΠ?] COL - ANTWNI , laureate head right; supported on back of eagle standing r., wings spread.
Rev.: L III / S R , vexilium between L III and centaur Sagittarius standing right, drawing bow.
cf. K. Castelin, The Coinage of Rhesaena in Mesopotamia, ANS NNM 108 (1946), 16, 5 ; cf. BMC 2 , pl. XVIII, 2 .
Legio III Parthica was formed in Rhesaena by Septimius Severus for the Parthian campaigns of 197-199 AD. Centaur Sagittarius was her symbol.