Tacitus AE Antoninianus. Lugdunum Mint. IMP CL TACITVS AVG, Radiate, draped, and cuirassed bust r. / MARS VICTOR, Mars advancing r., holding spear and trophy; Retrograde B in l. field, * in r. field. Emission 7, Officina 2. Minted May to June 276 A.D. References – RIC 30 Bust Type C. Cohen 57 (corr.). Bastien 100 (15) Contributed by Martin Griffiths, April, 2004.