MESOPOTAMIA. Rhasaena. Herennia Etruscilla, Augusta, 249-251. Tetrassarion (Bronze, 27 mm, 13.77 g, 12 h). ЄΡЄΝΝΙΑ ЄΤΡΟΥϹΚΙΛΛΑ ϹЄΒ Diademed and draped bust of Herennia Etruscilla set on crescent to right. Rev. ϹЄΠ ΚΟΛ ΡΗϹΑΙΝΗϹΙωΝ L III P Priest ploughing right with two oxen, holding staff; above, eagle standing to right on palm, head to left and holding wreath in beak; below, river-god Chaboras swimming right. RPC IX 1590. SNG Righetti 2641. Very fine.
The reverse legend names the Legio III Parthica Pia, which was levied in 197 by Septimius Severus and had its main base in Rhasaena.