Constantius I, posthumous issue, AE half-follis, 17 mm, 1.8 g. Trier. AD 307-308. DIVO CONSTANTIO PIO, laureate, veiled and draped bust right. MEMORIA FELIX, garlanded lighted altar, eagle standing to left and right of the base. Mintmark PTR. RIC VI Trier 790. Rare. Contributed by Andreas Able, Jan. 2018.