Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (23mm, 3.88 g, 6h). CONCORD MILIT (VM) Type. Londinium (London) mint. Struck circa AD 311-312. Laureate, helmeted, and cuirassed bust left, holding spear forward in right hand and shield on left arm / Concordia standing left, holding signum in each hand; –|*//PLN. RIC VI –; C&T Supp. 7.04.012 (this coin cited and illustrated). Dark brown patina, minor reverse die wear. Good VF. Very rare.

From the Paul DiMarzio Collection. Ex Paul Munro-Walker Estate (Roma XIII, 23 March 2017), lot 1274.