(before Italy switched to the euro) with the back showing his equestrian statue of Constantine. Another outstanding sign of Bernini's enduring reputation came in the decision by architect I.M. Pei to insert a faithful copy in lead of his King Louis XIV Equestrian statue as the sole ornamental element in his massive modernist redesign of the entrance plaza to the Louvre Museum, completed to great acclaim in 1989, and featuring the giant Louvre Pyramid in glass. In 2000 best-selling novelist, Dan Brown, made Bernini and several of his Roman works, the centerpiece of his political thriller, "Angels & Demons", while British novelist Iain Pears made a missing Bernini bust the centerpiece of his best-selling murder mystery, "The Bernini Bust" (2003).