Diocletian (284-305 A.D.) - AE Follis - 28mm, 9.22gr
Obverse - IMP C DIOCLETIANVS P F AVG
Diocletian, his laureate head right.
Reverse - GENIO POPV-LI ROMANI
Genius standing left, modius on head, naked but for
chlamys over left shoulder, holding patera (from
which liquor flows) in right and cornucopiae in left hand.
Γ in right field, ANT star in Exergue.

Minted at officina Γ in Antioch (Antakya, Turkey) in 302 or 303 A.D..

Reference:
Sutherland, C.H.V., "Roman Imperial Coinage", Volume 6 (RIC), Antioch, p620, nr 56a.
Voetter, Otto, "Die Münzen der römischen Kaiser, Kaiserinnen und Caesaren von Diocletianus bis Romulus, Katalog der
hinterlassenen Sammlung und Aufzeichnung des Herrn Paul Gerin" (Voetter-Gerin), Antioch, Diocletianus, p34, nr 19.
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p732, nr.714 (B21, O35, R054, T061, M02)

General reference works (no exact determination):
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p303, nr. 3534, variety from Antioch mint.
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 6D.
Van Meter, D., "Handbook of Roman Imperial Coins", p277, nr 41, variety with Ol/5.

Quality: Very Fine
Rarity: C