the 80s

“They might have been taken prisoner in one of several small Roman military operations in Gaul in the 80s and 70s B.C. They might even have been the sons of war prisoners taken in Mariuss great victories in the West in 102 and 101 B.C. But most had been probably sold into slavery by civilians: the going rate for a Gallic slave was as little as an amphora large jug of wine.”

Simon & Schuster: The Spartacus War

“But some of Vatias Celts may have come from the Balkans, a Celtic population center and scene of wars with Rome in the 80s and 70s B.C., and thus a rich source of slaves.”

Simon & Schuster: The Spartacus War