Watch List notes:

Constantine I, as Caesar, Æ Nummus. Treveri, AD 307. FL VAL CONSTANTINVS NOB C, laureate and cuirassed bust right / MARTI PATRI CONSERVATORI, Mars, naked but for helmet, standing right leaning on reversed spear, and resting shield on ground; S-A across fields, PTR in exergue. RIC 725. 6.40g, 26mm, 12h.

Good Fine; rough surfaces.

From the inventory of a European dealer.