Royal Mint to auction rare samples, including Kew Gardens 50p

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10 September 2021
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For the first time in its history, The Royal Mint is offering collectors the chance to own exceptionally rare ‘trial pieces’ featuring designs such as the highly collectible Kew Gardens 50p and the iconic ‘Three Graces’.

A trial piece is one of the first samples struck using a new die, and is carefully inspected by coin makers at The Royal Mint to ensure it meets their exacting standards.

The trial pieces are then stored for posterity and the design is officially approved by Her Majesty the Queen before coin striking can begin. 


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To ensure authenticity, each die trial piece bears a hallmark stating the quality of the metal and a unique latent security feature – designed by The Royal Mint’s Chief Engraver, Gordon Summers.

A die trial piece is one of the first coins struck and sets the standard for all coins issued.  They are used to prove tooling, and clarity of design and detail for proof coins, ensuring they are accurate enough for a perfect strike to be used in production.

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These pieces do not form part of the standard issue limit and have not been put on sale before by The Royal Mint.

Your chance to buy trial pieces

On 26 September, The Royal Mint will offer sixty rare examples of trial pieces to the public for the first time following growing demand from collectors. 
 
Rebecca Morgan, Director of Collector Services at The Royal Mint, said:

“Each year The Royal Mint introduces a range of original new coin designs celebrating British milestones, anniversaries and themes. Each of these designs requires a trial to ensure the design meets our exacting standards, and results in a handful of trial pieces.
 
“This month we are delighted to offer a sample of our trial pieces at auction for the first time. Each of the trial pieces has played an integral role in creating the final coin, and offer collectors the chance to own a part of numismatic history.
 
“Interest in trial pieces has grown significantly over recent years, as customers increasingly seek out exclusive and rare items for their collections. Many customers will treasures the trial pieces as part of a collection or even investments – so we have added a security feature to safeguard their provenance.”
 
For more information visit The Royal Mint’s website www.royalmint.com/collect/auction

The full list of pieces in the auction

 

  • The Piedfort Sovereign 2019 Gold Proof (Trial Piece)
  • Three Graces 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • Three Graces 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • Three Graces 2020 UK Gold Proof Kilo (Trial Piece)
  • Three Graces 2020 UK Two-Ounce Silver Proof (Trial Piece)
  • Three Graces 2020 UK Five-Ounce Silver Proof (Trial Piece)
  • Three Graces 2020 UK Silver Proof Kilo (Trial Piece)
  • Three Graces 2020 UK Ten-Ounce Silver Proof (Trial Piece)
  • Three Graces 2020 UK Ten-Ounce Gold Proof (Trial Piece)
  • 50 Years of the 50p 2019 UK 50p Gold Proof Piedfort (Trial Piece)
  • Pay Attention 007 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • Shaken Not Stirred 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • Shaken Not Stirred 2020 UK Quarter-Ounce Gold Proof (Trial Piece)
  • The Queen's Beasts The Falcon of The Plantagenets 2019 UK Five-Ounce Gold Proof  (Trial Piece)
  • The Britannia 2019 UK Five-Ounce Gold Proof (Trial Piece)
  • The Britannia 2021 UK One Ounce Gold Proof (Trial Piece)
  • The Britannia 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • The Britannia 2021 UK Five-Ounce Gold Proof (Trial Piece)
  • The Britannia 2019 UK One Ounce Gold Proof (Trial Piece)
  • C - Cricket 2019 UK 10p Gold Proof (Trial Piece)
  • David Bowie 2020 UK One Ounce Gold Proof (Trial Piece)
  • David Bowie 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • David Bowie 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • David Bowie 2020 UK Quarter-Ounce Gold Proof (Trial Piece)
  • D-Day Landings 2019 UK 50p Gold Proof (Trial Piece)
  • The 75th Ann D-day Normandy Landings 2019 UK £2 Gold Proof (Trial Piece)
  • Elton John 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • Elton John 2020 UK Quarter-Ounce Gold Proof (Trial Piece)
  • A Celebration of the Reign of George III 2020 UK Two-Once Gold Proof (Trial Piece)
  • A Celebration of the Reign of George III 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • A Celebration of the Reign of George III 2020 UK £5 Gold Proof (Trial Piece)
  • Team GB 2020 UK 50p Gold Proof (Trial Piece)
  • Britannia New Pence 2019 UK 50p Gold Proof (Trial Piece)
  • Bond, James Bond 2020 UK One Ounce Gold Proof  (Trial Piece)
  • Pay Attention 007 2020 UK One Ounce Gold Proof (Trial Piece)
  • Shaken not stirred 2020 UK One Ounce Gold Proof (Trial Piece)
  •  007 Special Issue 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • Bond, James Bond 2020 UK Two-Ounce Gold Proof (Trial Piece)
  • Kew Gardens 2019 UK 50p Gold Proof (Trial Piece)
  • Kew Gardens 2019 UK 50p Gold Proof Piedfort  (Trial Piece)
  • The 400th Anniversary of the Voyage of the Mayflower 2020 UK £2 Gold Proof (Trial Piece)
  • Queen 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • Queen 2020 UK Quarter-Ounce Gold Proof (Trial Piece)
  • 50 Years of the 50p  2019 UK 50p Gold Proof (Trial Piece)
  • The Queen's Beasts The White Horse of Hanover 2020 UK Five-Ounce Gold Proof (Trial Piece)
  • Queen 2020 UK One Ounce Gold Proof (Trial Piece)
  • The 200th Anniversary of the Birth of Queen Victoria 2019 UK Five-Ounce Gold Proof (Trial Piece)
  • The 200th anniversary of the Birth of Queen Victoria Celebration Sovereign (Trial Piece)
  • The Five Sovereign Piece 2019 Brilliant Uncirculated (Trial Piece)
  • The Double Sovereign 2019 Gold Proof (Trial Piece)
  • The Double Sovereign 2020 Gold Proof (Trial Piece)
  • The Five Sovereign Piece 2019 Gold Proof (Trial Piece)
  • The Five Sovereign Piece 2020 Gold Proof (Trial Piece)
  • The Half-Sovereign 2019 Gold Proof (Trial Piece)
  • The Half-Sovereign 2020 Gold Proof (Trial Piece)
  • The Quarter-Sovereign 2019 Gold Proof (Trial Piece)
  • The Quarter-Sovereign 2020 Gold Proof (Trial Piece)
  • The Sovereign 2019 Gold Proof (Trial Piece)
  • The Sovereign 2020 Gold Proof (Trial Piece)
  • The 75th Anniversary of VE Day 2020 UK £2 Gold Proof (Trial Piece)