The Crown of Thorns gifted by Louis IX linked him directly to Christ.

Evidence

So great was its power in medieval people’s eyes that through it Louis was linked directly to Christ himself. — Neil MacGregor, A History of the World in 100 Objects, 1036

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 1036
• XREF: connects to: The Crown of Thorns cost over 120,000 livres in France. — Neil MacGregor, A History of the World in 100 Objects, 1031