Bronze AE3, 18mm, 2.49gm, issued AD 336/337 Antioch mint.
Obv: CONSTANTINVS MAX AVG, Diademed, draped, cuirassed bust right.
Rev: GLORIA EXERCITVS (SMANB in ex.), Two soldiers, helmeted, draped, cuirassed, standing each holding spear and shield; between them, two standards.
References: Sear 16359, RIC 85.
Desert patina.