Diocletian (284-305 A.D.) - AE Follis - 27mm, 9.13gr
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.
A in right field, ANT dot in Exergue.

Minted at the 1st officina (A) in Antioch (Antakya, Turkey) in 304-305 A.D..

Reference:
Sutherland, C.H.V., "Roman Imperial Coinage", Volume 6 (RIC), Antioch, p620, nr 58a.
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 22.
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC2),  p721, nr.681  (B21, O35, R054, T061, M02)
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 4, p109, nr. 12798.

General reference works (no exact determination):
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