Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (20mm, 3.36 g, 6h). Londinium (London) mint. Struck circa AD 314. Laureate and cuirassed bust right / Mars, helmeted and in military dress, standing right, holding reversed spear in right hand and in left hand, shield set on ground to right; –|–//PLN. RIC VII –; C&T Supp. No. 1 8.02.009 (2) (this coin cited and illustrated). Brown patina, roughness on reverse. Good VF. Very rare without S and F across field.

From the Paul DiMarzio Collection. Ex Paul Munro-Walker Estate (Roma XIII, 23 March 2017), lot 1262.

Lord Stewartby has the only other known example without S and F across field.