In 1548, a German merchant house supplied 432 tons of brass manillas.

Evidence

In 1548 just one German merchant house agreed to provide Portugal with 432 tons of brass manillas for the West African market. — Neil MacGregor, A History of the World in 100 Objects, 1191

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 1191