Watch List notes:

Constantine I. AD 307/310-337. Æ Half Follis (17.5mm, 1.88 g, 6h). Treveri (Trier) mint. Struck AD 310-311. Laureate and cuirassed bust right / Sol standing left, raising hand and holding globe; PTR. RIC VI 899; Zschucke 10.3. Good VF, brown patina, minor roughness.