Constantine I. AD 307/310-337. Æ Follis (22mm, 4.19 g, 6h). MARTI CONSERVATORI Type. Londinium (London) mint. Struck circa AD 312-313. Laureate, helmeted, and cuirassed bust left, holding spear in right hand over right shoulder and shield on left arm / Mars standing right, holding reversed spear in right hand and resting left on shield; *|–//PLN. RIC VI –; C&T 7.10.014 . Dark brown patina. Good VF. Rare.
From the Paul DiMarzio Collection, purchased from Jean-Louis Bonnier, 7 June 2005.
From the 3rd reduction at London struck at 72 pieces to the Roman pound for a theoretical weight of 4.48 g. using dies with a beaded circle 21-22 mm in diameter.