Watch List notes:

Constantine I. As Caesar, AD 306-309. Æ Follis (25.5mm, 6.33 g, 6h). Ticinum mint, 1st officina. Struck circa summer AD 307. Laureate head right / Mars advancing right, holding spear and round shield; PT. RIC VI 88. Green patina, some porosity, a few cleaning marks. Near EF.

Ex Classical Numismatic Group Electronic Auction 419 (25 April 2018), lot 400.