The export prohibition of brass plaques was part of African control over trade.

Evidence

Part of that control was a total prohibition on the export of the brass plaques. — 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
• XREF: connects to: Controlling currency was essential to the colonial appropriation of African riches — Fanny Pigeaud_ Ndongo Samba Sylla, Africa’s Last Colonial Currency, 54

Broader Connections

• Controlling currency was essential to the colonial appropriation of African riches #expands (0.35) — Fanny Pigeaud_ Ndongo Samba Sylla, Africa’s Last Colonial Currency, 54