Roman Coins of the Tetrarchy of Diocletian
 & the Age of Constantine


The Background shows the Tetrarchy of the 4 Emperors


click on the coin for a  view of both sides

Rome: Crisis I
Rome: Late Roman Empire
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Diocletian
Emperor 284 - 305 AD
nummus, bronze with silvered surfaces
CNG fixed price list, 1989

Nummus or Follis? This coin was also referred to as a follis. Recent research indicates that they are more properly call a nummus. Follis was used in past literature and most people are familiar with the follis designation .
weight= 10.429 g
unc with much original silvering on surfaces (as described by CNG).

There is an extensive discussion of Tetrarchy-era folles on Coin Talk:
Roman Nummi (folli) of the Late 3rd - Early 4th Century


You may wish to go to page 2 of the post to see the article "The British Invasion Coinage of Constantius" by Jamesicus. Ill link to that post as soon as I figure out how to do so.

Another thread on the same forum illustrates the history of the Tetrarchy nicely:
Diocletian: Two Interesting Coins and a Legacy of Reform

Constantine
Emperor 307 - 337 AD
nummus or follis, struck 307 AD
Leu Numismatik, 4, #741
26mm dia, weight= 7.24 g

After the Tetrarchy and Constantine I

Coins of the 4th Century

click on the coin for a  view of both sides

Constantine II
Emperor 337 - 340 AD
milarense,
Harlan J Berk

weight= g

Julian "The Apostate"
r. 360 - 363 AD
follis 361-363 AD
weight= 8.99 g

Gorney & Mosch, auc 257, Oct 15,2018, lot# 986


There is also a website dedicated to the realistic style of portrait coinage temporarily introduced by Julian.

Taking the bull by the horns

There is also an excellent book on Julian the Apostate


"Some people are fond of horses, others of wild animals; in my case, I have been possessed since childhood by a prodigious desire to buy and own books."
Julian the Apostate



Rome: Crisis I
Rome: Late Roman Empire
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