A 50p coin featuring the Hogwarts Express is the last 1 to diagnostic Queen Elizabeth II's portrait.
The Hogwarts Express coin is portion of a larger collection celebrating the 25 years of Harry Potter.
The last 2 coins which person not yet been released volition diagnostic the authoritative representation of King Charles III.
Director of Collector Services astatine The Royal Mint Rebecca Morgan said: "A alteration successful representation makes this postulation a highly sought aft one."
All 4 coins diagnostic the enactment of the creator Jim Kay, who created the archetypal afloat illustrated variation of Harry Potter and the Philosopher's Stone.
The postulation features Harry Potter, the Hogwarts Express, Professor Dumbledore and Hogwarts School of Witchcraft and Wizardry connected their ain idiosyncratic coin and volition beryllium 1 of a tiny fig that volition spot a alteration of representation during the series.
The coins were modelled by the Welsh Royal Mint merchandise designer, Ffion Gwillim.
"The Royal Mint's Harry Potter postulation presents a unsocial accidental for collectors and fans of Harry Potter crossed the world," Ms Morgan said.
"This postulation of coins serves arsenic a imperishable reminder of the fascinating modulation from Britain's longest reigning monarch to His Majesty the King's archetypal quality connected UK coins," she added.
Mr Kay, said: "It hasn't truly sunk successful yet. It is the aforesaid for astir aspects of publishing due to the fact that you are connected your ain each of the clip successful a studio, nary of it rather seems existent until you spot the publication connected a support successful a shop.
"Then you deliberation 'oh yeah! I did that!' This is wholly caller to maine though, a coin!"
Editorial manager astatine Bloomsbury Children's Books Mandy Archer said: "Jim Kay's evocation of the Hogwarts Express instantly whisks you distant to level 9 and three-quarters - the precise commencement of Harry's magical journey.
"It's a joyousness to spot his stunning publication illustration truthful skilfully and beautifully rendered connected a caller metallic day coin."