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This is an ancient Roman gold Solidus of emperor Valens, dating to 364 - 378 A.D.
DN VALENS PER F AVG, pearl-diademed, draped and cuirassed bust right
RESTITVTOR REIPVBLICAE, Valens standing facing, head right, holding standard (star on the banner) and Victory on globe
This coin was struck at the Antioch mint, between 366-367 A.D. mint mark ANTI dot. This coin has seen circulation and exhibits consistent wear. It is a nice excavated coin from France.
DATE: 366 - 367 A.D.
MINTMARK: ANTI dot (Antioch, Turkey)
SIZE: 20mm dia
WEIGHT: 3.9 grams
ATTRIBUTION: RIC IX 2d, xiii.5; cf. Cohen 32.