Watch List notes:

Maximianus. First reign, AD 286-305. Antoninianus (23mm, 4.18 g, 5h). Antioch mint, 5th officina. Struck AD 285-295. Radiate and cuirassed bust right / Jupiter standing right, holding scepter and globe, facing Hercules standing left, holding Victory, club and lion's skin; (crescent)/Є//XXI. RIC V 622. Brown patina, deposits. VF.

Ex John Quincy Adams and Descendants/Massachusetts Historical Society Collection (Part I, Stack's, 5 March 1971), 971d.