Antoninianus - Gallienus (NEPTVNO CONS AVG) (260-268) front Antoninianus - Gallienus (NEPTVNO CONS AVG) (260-268) back
Antoninianus - Gallienus (NEPTVNO CONS AVG) (260-268) photo
© American Numismatic Society (ANS)

Antoninianus - Gallienus NEPTVNO CONS AVG

 
Silver 3 g 20.5 mm
Description
Issuer
Rome › Roman Empire (27 BC - 395 AD)
Emperor
Gallienus (Publius Licinius Egnatius Gallienus) (253-268)
Type
Standard circulation coin
Years
260-268
Value
Antoninianus (1)
Currency
Antoninianus, Reform of Caracalla (AD 215 – 301)
Composition
Silver
Weight
3 g
Diameter
20.5 mm
Shape
Round (irregular)
Technique
Hammered
Orientation
Variable alignment ↺
Demonetized
Yes
Updated
2024-10-05
References
Numista
N#288777
Rarity index
97%

Reverse

Hippocamp or capricorn, right.
Officina mark in exergue.

Script: Latin

Lettering: NEPTVNO CONS AVG

Unabridged legend: Neptuno Conservatori Augusti.

Translation: To Neptune, the protector of the emperor.

Comment

Mass varies: 2.01–3.75 g;
Diameter varies: 18–23.5 mm;

Example of this type:
American Numismatic Society (ANS)

Source:
Online Coins of the Roman Empire (OCRE)

Interesting fact

The Antoninianus coin , which features Gallienus (NEPTVNO CONS AVG) and was minted in Rome between 260-268 AD, is considered a rare and valuable coin among collectors. It's made of silver and weighs 3 grams, which was a significant weight for a coin at that time. The coin's design features an image of Neptune, the Roman god of the sea, on the reverse side, which is why it's sometimes referred to as the "Neptune coin." This coin is a testament to the advanced minting techniques and artistry of the Roman Empire during that period.