Charles III 2023 gold proof 5oz Coronation

Charles III (2022-), gold proof Five Ounce of Five Hundred Pounds, 2023, struck to honour the Coronation of His Majesty King Charles III and Queen Camilla, bearing the special Crowned effigy of His Majesty King Charles III wearing the Tudor crown, Five Ounces of 999.9 fine gold, crowned head left, MJ initials below for Martin Jennings, CHARLES. III. D. G. REX. F. D. 500 POUNDS. 2023, rev. design by John Bergdahl with the Crowned Quartered Arms, surrounded by a garter bearing the motto 'HONI SOIT QUI MAL Y PENSE' all surrounded by heraldic symbols with Three interlocking C's and King Charles' cypher within cartouches, 'THE CORONATION OF KING CHARLES III 6 MAY 2023' around, 156.20g. Brilliant proof finish, accompanied by original Royal Mint packaging and with numbered Certificate of Authenticity