Watch List notes:

Constantius Gallus. Caesar, A.D. 351-354. Æ centenionalis (21 mm, 5.57 g, 6 h). Sirmium. D N CONSTANTIVS IVN NOB C, bare-headed, draped and cuirassed bust of Constantius Gallus right; behind, A / [HOC SIG]-NO VICTOR ERIS, emperor standing facing, head left, holding labarum and spear; behind him, Victory standing left, crowning him with wreath and holding palm; III//[...SI]RM. Cf. RIC 24 and 31. Rare. Brown patina, porosity on reverse. Extremely fine / good very fine.