Valentinian II. Engraver's error, AE18 of Antioch. AD 375-392. 2.31 g. 

DN VALEODO-SIVS PF AVG, pearl-diademed, draped, and cuirassed bust right.
CONCOR-DIA AVGGG, Constantinopolis, helmeted, seated 
facing, looking right, foot on globe, right leg bare, 
holding globe and spear, its lower part hidden by her robe.

Theta in left field, phi over K in right field. 
Mintmark ANT Gamma. 

Engraver's error of RIC IX 47b. (with part of the name of 
Theodosius).

With permission of cngcoins.com, auction 79, Lot 1251, Sept 2008