 Millions of amphora pieces bearing the unique seals of various city-states and Aegean islands have been uncovered by archaeologists, demonstrating the scope of Greek influence.A shipwreck discovered off the coast of southern France included nearly 10,000 amphoras containing nearly of Greek wine, presumably destined for trade up the Rhône and Saône rivers into Gaul.It is estimated that the Greeks shipped nearly 10 million liters of wine into Gaul each year through Massalia.