The Jomon pot was lacquered with gold leaf between the seventeenth and nineteenth centuries.

Evidence

The gold leaf was applied somewhere between the seventeenth and nineteenth centuries, when ancient pots were being discovered, collected and displayed by Japanese scholars. — Neil MacGregor, A History of the World in 100 Objects, 194

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 194