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Roman Imperial Diocletian coins
Gaius Aurelius Valerius Diocletian as Augustus (284-305)
Pre-reform coinage (till 295)

IMP(erator) C(aesar) C(aius) VAL(erius) DIOCLETIANVS P(ius) F(elix) AVG(ustus)
IOVI CONSERVAT(ori)
Antoninianus
285
copper
Ticinum
23 mm.
Obverse:
Draped bust in radiate and radiate crown right
Legend: Emperor Caesar Gaius Valerius Diocletianus Pious Happy Augustus
Reverse:
Jupiter standing left, holds arrows and scepter
Legend: Jupiter Keeper
Coin value - $30-40

IMP(erator) C(aesar) C(aius) VAL(erius) DIOCLETIANVS AVG(ustus)
CONCORDIA MILITVM
Antoninianus
286-293
copper
Cyzicus
21 mm.
Obverse:
Draped bust in radiate crown right
Legend: Emperor Caesar Gaius Valerius Diocletianus Augustus
Reverse:
Diocletianus, holding spear, receives Victory on globe from Jupiter, holding scepter
Legend: Concordia of army
Coin value - $30-40

IMP(erator) C(aesar) C(aius) VAL(erius) DIOCLETIANVS AVG(ustus)
IOVI CONSERVATORI AVG(ustus) G
Antoninianus
293-295
copper
Antioch
21 mm.
Obverse:
Draped bust in radiate and radiate crown right
Legend: Emperor Caesar Gaius Valerius Diocletianus Augustus
Reverse:
Diocletianus, holding spear, receives Victory on globe from Jupiter, holding scepter
Legend: Jupiter Keeper of August
Coin value - $10-20
Reform 295-296

IMP(erator) DIOCLETIANVS P(ius) F(elix) AVG(ustus)
SACRA MONET(a) AVG(ustus) G ET CAES(ares) NOSTR(um)
Follis
295-305
bronze
Aquileia
27 mm.
Obverse:
Bust right in laurel wreath
Legend: Emperor Diocletianus Pious Happy Augustus
Reverse:
Moneta standing left, holds scales and cornucopia
Legend: Sacred Moneta Augustus and Caesares Our
Coin value - $40-60