365-366 AD., Valentinian I, Arelate mint, Solidus, RIC 1.

Valentinian I, Arelate / Constantina mint, 365-366 AD.,
Solidus (ø 21-21,5 mm / 4,30 g), gold, axis about coin alignment ?? (ca. 160°),
Obv.: D N VALENTINI - ANVS P F AVG , pearl diademed, draped and cuirassed bust of Valentinian to right.
Rev.: RESTITVTOR - REIPVBLICÆ / KONSTAN ( last three letters in ligature ) , emperor standing facing in military dress, his head turned to right, holding labarum with palm on the shaft and inscribed with Christogram in his right hand and Victory on globe in his left.
RIC.1 e (R2) ; Depeyrot “les monnaies d’or de Constantin II à Zenon“ n°14/1 labarum n°10 (19 specimens listeds) ; Ferrando II 1475 (C2) ; NBC 441 . rare
4 specimens on nummus-bible-database.com : NBD : 80198 , 69888 , 65870 , 22297 .

The name of Arelate was changed to Constantina to honor Constantine II in 329. This name was used as a mint signature, as here, until the first quarter of the 5th century, but by the later 4th century it was primarily found on silver, with the formula A-R / CONOB being used on gold.