Roman Imperial Coinage, Constantine I, the Great (306-337), Half-Argenteus, Treveri, c. 306-7, laureate and cuirassed bust right, slight drapery on left shoulder, rev. VIRTVS MILITVM, four-turreted camp gate, no doors, PTR, 1.12g/6h (RIC 828; Schulten Em. 13, pl. 4, 2; RSC 707b). Extremely fine, attractively toned £400-500