Coin depicted roughly twice actual size*

AE3 of Constantine I

Bronze AE3, 20mm, 2.92gm, issued AD 313/314 Lugdunum mint.

Obv: CONSTANTINVS PF AVG, Laureate, draped, cuirassed bust right.

Rev: SOLI INVICTO COMITI, Sol standing left, raising right hand and holding globe, SF in field.

References: Sear 16066.