Please help in identification of Constantine coin (Rome ancient)

Hello to all.
I ask to help in identification Constantine coin (Rome (ancient)).
Face to left!! GLOR IAEXERC ITVC. All images that I found with right face orientation.

Weight 1.5 g, diameter 15.1 mm.
See attached photos


Thanks

Igor

Go to http://wildwinds.com/coins/ric/i.html and check out Constantine and Constantius, there were 3 of each. Make sure that you choose the option "Browse the page with thumbnail images". There were portraits facing left.

Thank you,  Andrey.

There's also Constans.