Antoninianus - Diocletianus (CONSERVATOR AVGG) (289-290) front Antoninianus - Diocletianus (CONSERVATOR AVGG) (289-290) back
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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#306076
Rarity index
100%

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;

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 first Roman emperor to introduce a new system of coinage that was based on the silver argenteus, a coin that was valued at 1/96th of a pound of gold. This system helped to stabilize the Roman economy and paved the way for the widespread use of silver coins in the Roman Empire.