Gordian III, AE28, 238-244, Moesia Inferior-Nikopolis as Istrum, Modestus as Magistrate AVT . K . M ANTN-GORDIANOC AVG Radiate, cuirassed bust right, aegis on left shoulder, gorgon on breastplateVP CA_B MODEC_TOV NIKOPOLEI_T_WN (ligate) PROC ICTPO Gordian, radiate, charging on horseback right and brandishing spear 27mm x 28mm, 12.22g