Maxentius Princeps (AD 306), Gold Medallion of two Aurei, 10.3 gms., mint of Rome, struck AD 306, MAXENTIVS PRINC INVICT, radiate head right, rev. MARTI CONSERV AVGG ET CAESS NN, Mars advancing right with shield and spear, PR in exergue (cf RIC 140 for an Aureus of similar types; for a similar reverse type on a medallion see Carson, Gold Medallions, 1961, no. 2 (plate 27, 1), and for an obverse in very similar Roman style see Carson in the same article, no. 7 (plate 27, 9)), extremely fine and extremely rare with an attractive red-brown tone and apparently unpublished