The Mold Cape is unique in its complexity and sophistication.

Evidence

But, partly through the discovery of rare objects like the Mold Gold Cape, in recent years we have come to see these societies very differently. For, while it’s unique in its complexity, the cape is just one example of several precious objects that tell us that societies in Britain must then have been extremely sophisticated, both in their manufacture and in their social structure. — Neil MacGregor, A History of the World in 100 Objects, 335

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 335