The heart – red, golden, silvery, an object of worship and fine jewelry – was first revered in France in 1672, though the obsession with this Christian symbol dates back to medieval mystics of the German tongue, women like Mechthild of Magdeburg, Gertrude the Great and Mechthild of Hackeborn. A slender band wraps the heart, but whether gilded or studded with diamonds, it indicates the same thing: suffering for human sin.

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