King Charles III became the seventh monarch to wear St Edward’s Crown after Charles II, James II, William III, George V, George VI and Elizabeth II – who last wore it at her own coronation in 1953.

Source: https://thefrontierpost.com/pm-attends-coronation-of-king-charles-iii/

The study began without fanfare in October and came to light only after the emergence of a document which showed a transfer of £1,000 of shares in the Royal African Company from Colston to King William III in 1689.

Source: https://www.dailymail.co.uk/news/article-11947709/As-Charles-backs-study-historic-slave-connections-Royal-Family-hit-new-payout-demands.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

The William III crown sold for £100 while the Edward VII 1902 gold £2 coin made £730 and 50 Austrian Silver Maria Theresa SF Thaler trade coins went for £950.

Source: https://www.banburyguardian.co.uk/read-this/secret-hoard-of-1000-historic-coins-found-hidden-in-late-businessmans-home-fetches-nearly-ps21k-at-auction-4154199

"William III built it and before the King took up residence, it was the home to his much-loved grandmother, Queen Elizabeth, The Queen Mother.

Source: https://www.express.co.uk/life-style/property/1771984/King-Charles-leave-Clarence-House-Buckingham-Palace-exclusive