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King Charles III Questions & Answers

Following the accession of King Charles III, many people had questions about how the change of monarch would affect UK coins, banknotes, stamps and Royal Warrants.

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What Changed After King Charles III Became King?

Following the accession of King Charles III, many people wanted to know what would change across the United Kingdom. From coins and banknotes to stamps and Royal Warrants, the transition affects many familiar parts of everyday life.

Below is a summary of some of the most notable changes following the accession of King Charles III.

King Charles III
King Charles III following his accession to the throne.

Changes Across the UK

  • The Royal Cypher changed from EIIR to CIIIR, representing Charles III Rex, with Rex being the Latin word for King.
  • New UK stamps began transitioning to designs featuring King Charles III.
  • New post boxes will carry the CIIIR cypher, while many existing post boxes continue to display the cyphers of previous monarchs.
  • Banknotes are gradually transitioning to feature King Charles III while existing notes remain legal tender during the changeover period.
  • New UK circulating and commemorative coins now feature King Charles III.
  • Royal Warrants entered a transition period, with businesses required to reapply under the new monarch.
  • The National Anthem changed from “God Save the Queen” to “God Save the King”.
  • Members of Parliament and the Armed Forces continue to swear allegiance to the Crown.
  • King Charles III transferred the title of Prince of Wales to his eldest son, Prince William.
  • Following his accession, King Charles III stepped back from a number of previous charitable responsibilities to fulfil his constitutional role as monarch.

King Charles III and UK Coins

For coin collectors and precious metal investors, one of the most significant changes has been the introduction of UK coins featuring King Charles III. As older coins remain in circulation, collectors now have the opportunity to own coins bearing both Queen Elizabeth II and King Charles III.

The transition marks an important moment in modern British numismatic history and is likely to remain of interest to collectors for many years to come.

Long live the King.

Revised 3 August 2026 Published 21 September 2022 Written by Lois Bullion Editorial Team

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