Diocletian (284-305 A.D.) -  AE Follis - 29x25mm, 9.61gr
Obverse - DN DIOCLETIANO FELICISSIMO SEN AVG
Diocletian, his laureate bust right in imperial mantle, right holding
olive branch, left mappa.
Reverse - PROVIDENTIA DEORVM QVIES AVGG
Providentia standing right, extending right hand to Quies,
standing left, holding branch in right and
scepter in left hand.
S in left field, F in right field, PTR in Exergue.

Minted in Treveri (Trier, Germany) in 305-306 A.D..
Reference:
Sutherland, C.H.V., "Roman Imperial Coinage", Volume 6 (RIC), Treveri, p208, nr 676a.
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), Treviri, Diocletianus, p362, nr 155.
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 52D
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p304, nr. 3543.
Van Meter, D., "Handbook of Roman Imperial Coins", p277, nr 44.
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p393, nr. 91 corrected, variety (B09, O22, R110, T102, M15)
Quality: Very Fine+