It was placed in 1847 following restoration of the damaged tower, to commemorate the cathedral's importance as a coronation church. It weighs 150 kg (330 lb), measures over 1 m (3.3 ft) in diameter, and rests on a 1.2 m × 1.2 m (3.9 ft × 3.9 ft) gold-plated pillow and stands 1.64 m (5.4 ft) high. The pillow and crown contain a total of 8 kg (18 lb) of gold and were restored in August 2010.[citation needed]