In the mid-1st century, Rome was trading one amphora of this for one slave from Gaul
... 
Gaul mid 1st C BC put an end to such lucrative slaves-for-wine Roman trade and
... [DOC] [TLE] Amphores romaines et histoire conomique: Dix ans de ... - JStor [PAR] these types of amphorae in Gaul and Delos and the re- ports of Roman slave 
trading in both places.