Radiate fraction = Post-reform radiate. Mints 
 

Radiate Fractions. Emperors and Mints
CONCORDIA MILITVM, VOT X, and VOT XX types
and their RIC numbers
Emperor  Heraclea    Cyzicus  Antioch    Alexandria  Carthage
  VOT X		 Carthage
VOT XX		   Rome
VOT XX
Diocletian, Augustus   13, 21 15a, 16a, 17  60a, 62a    46a, 47    37a, 38  many 76ff
Maximian, Augustus   14, 22     15b, 16b  60b, 62b        46b        37b  many 74ff
Constantius, Caesar
(Augustus only at Alexandria)		      15   18a, 19a   61a, 63a  48a as Caesar
 59a as Augustus		    35a         87a, 88a, 89a
Galerius, Caesar
(Augustus only at Alexandria)		      16   18b C, 19b C  61b C, 63b C  48b as Caesar
 59b as Augustus		 35b, 36    87b, 88b, 89b
Severus II, Caesar
(Augustus only at Alexandria)		        -        -        -  60a as Caesar
 84 as Augustus		        -        -        -
Maximinus II,  Caesar        -        -        -          60b        -        -        -
Constantine, Caesar        -        -        -         85        -          -        -


Coins with RIC numbers in bold are illustrated on the main page. 
Only Alexandria issued CONCORDIA MILITVM after the First Tetrarchy.