Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (22mm, 3.92 g, 6h). Londinium (London) mint. Struck AD 312-313. Laureate bust left, wearing trabea (imperial mantle), and holding eagle-tipped scepter / Mars standing right, holding spear and shield; (star)/-//PLN. RIC VI 259-61 var. (bust type); H. Huvelin, “Le trésor de Saint-Colombier-en-Sarzeau,” TM II, 3647; CNG 84, lot 1502. EF, brown patina, traces of green deposits. Extremely rare.