The radiate looked very similar to the Antoninianus (pre-reform radiate), with a radiate crown like Sol Invictus. The difference is the absence of the "XXI" that existed on pre-reform radiates, a symbol believed to have indicated a consistence of 20 parts bronze to 1 part silver. The post-reform radiate had little or no silver content. The weight varies between 2.23 and 3.44 grams.
It was struck under Diocletian, Maximian, Constantius I, and Galerius.
Reverse: Constantius I standing right on left, holding scepter, receiving Victory on globe from Jupiter to right, holding scepter; CONCORDIA MILI_TVM / HB
Die Orientation: -
Weight: 2.1 g
Reverse: Constantius I standing right, holding parazonium, receiving Victory on globe from Jupiter standing left holding long scepter; CONCORDIA MIL_ITVM / * / A / ANT
Die Orientation: -
Weight: 3.9 g
Reverse: Diocletian standing right, holding parazonium, receiving Victory on globe from Jupiter standing left holding long scepter; CONCORDIA MI_LITVM / KΓ
Die Orientation: -
Weight: 3 g
Reverse: Legend within wreath; VOT / X / F K
Die Orientation: -
Weight: 3.1 g
Reverse: legend within wreath; VOT / . / X / T
Die Orientation: -
Weight: 3.8 g
Reverse: Maximian standing right on left, holding parazonium, receiving Victory on globe from Jupiter to right, holding long scepter; CONCORDIA MI_LITVM / KB
Die Orientation: -
Weight: 4.1 g
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Reverse: CONCORDIA MILITVM, Severus standing right, holding short sceptre and receiving Victory on globe from Jupiter standing left, holding sceptre; Δ in central field, ALE in exergue
Die Orientation: 11 H
Weight: 2.97 g