Constantine I  A.D. 327-328

Obv. CONSTANTINVS MAX AVG head with rosette diadem
Rev. GLORIA ROMANORVM   Roma seated on a shield, 
holding a long sceptre, Victory on a globe in right 
hand.
Z in left field, CONS in ex.

Constantinople RIC VII 23;  Z officina rated Scarce

With permission of www.slaveycoins.com, March 2012.