Watch List notes:

MESOPOTAMIA. Nisibis. Julia Mamaea, Augusta, 222-235. Tetrassarion (Bronze, 27 mm, 12.00 g, 5 h). IOY MAMЄA CЄBACTH Diademed and draped bust of Julia Mamaea to right. Rev. ϹЄΠ ΚΟΛΟ ΝЄϹΙΒΙ ΜΗΤ Turreted, veiled and draped bust of the city-goddess to right; above, ram leaping right, head turned back to left; to upper left and lower right, stars. BMC 10 var. (bust set on crescent). SNG Copenhagen 236. About very fine.