Antoninianus - Diocletianus (CONSERVATOR AVGG) (289-290) front Antoninianus - Diocletianus (CONSERVATOR AVGG) (289-290) back
Antoninianus - Diocletianus (CONSERVATOR AVGG) (289-290) photo
© Institute of Classics/University of Graz

Antoninianus - Diocletianus CONSERVATOR AVGG

 
Silver 4 g 23 mm
Description
Issuer
Rome › Roman Empire (27 BC - 395 AD)
Emperor
Diocletian (Gaius Aurelius Valerius Diocletianus) (284-305) Maximian Herculius (Marcus Aurelius Valerius Maximianus) (286-305)
Type
Standard circulation coin
Years
289-290
Value
Antoninianus (1)
Currency
Antoninianus, Reform of Caracalla (AD 215 – 301)
Composition
Silver
Weight
4 g
Diameter
23 mm
Shape
Round (irregular)
Technique
Hammered
Orientation
Variable alignment ↺
Demonetized
Yes
Updated
2024-10-05
References
Numista
N#306074
Rarity index
93%

Reverse

Diocletian, draped, standing right, and Jupiter, standing left, each holding sceptre and sacrificing at altar.

Script: Latin

Lettering:
CONSERVATOR AVGG
-/-//AXXI•I•

Translation:
Conservatori Duorum Augustorum.
Protector of the two emperors (Augusti).

Comment

Mass varies: 3.25–4.502 g;
Diameter varies: 22.5–23 mm;

Example of this type:
Institute of Classics/University of Graz

Source:
Online Coins of the Roman Empire (OCRE)

Interesting fact

One interesting fact about this coin is that it was issued during the reign of Diocletian, who was the last emperor to attempt to reform the Roman Empire's currency system before its eventual collapse. The Antoninianus, which was introduced by Diocletian in 293 AD, was a silver coin that was meant to replace the debased denarius, which had become nearly worthless due to rampant inflation. The coin was named after the emperor's name, Antoninus, and it was intended to be a symbol of the empire's renewed strength and stability. Despite these efforts, the Roman Empire continued to decline, and the Antoninianus ultimately became just another example of a failed currency reform in the empire's history.