Watch List notes:

Constantine I. As Caesar, AD 306-309. Æ Follis (23mm, 6.86 g, 6h). Treveri (Trier) mint. Struck circa summer AD 307. Laureate and cuirassed bust right / Mars advancing right, holding transverse spear and shield; S-A//PTR. RIC VI 730. Dark brown patina with copper highlights, a couple of light deposits. Near EF.

Ex Gorny & Mosch 263 (7 March 2019), lot 3943.