UK Coins
King Charles III Definitives: 2023 Brilliant Uncirculated Coin Set Guide

2023 King Charles III Definitive Coin Set

For the first time in 70 years, UK coinage changed its definitive designs. The 2023 set features eight brand new "Flora and Fauna" designs emphasizing conservation. This collection celebrates iconic cultural figures and historical milestones through five unique commemorative designs.

A historic milestone in British currency, honoring a new era under His Majesty King Charles III.

See also 2023 King Charles III Commemorative Coin Set


The "Flora and Fauna" Series

2023 King Charles III Definitive Coins

Definitive coins are the most common coins in circulation and are used for everyday transactions. The 2023 set includes all 8 definitive coins, each featuring a unique design.

The 2023 Brilliant Uncirculated Definitive Set marks the first complete redesign of UK circulating coins in 15 years. Personally approved by The King, the reverses celebrate the natural world and conservation. Notably, each coin features a unique Tudor Crown Privy Mark and a triple interlocking 'C' motif, linking the current reign to that of King Charles II.

Coin Specifications & Designs

Click on any coin image to view larger

2-pound - Flora of the four nations (Rose, Daffodil, Thistle, Shamrock)

2023 2-pound Flora of the four nations (Rose, Daffodil, Thistle, Shamrock) Reverse Reverse
2023 2-pound King Charles III Obverse Obverse

2023 £2 Brilliant Uncirculated

Alloy Inner: Nickel-plated nickel brass / Outer - Nickel Brass
Weight 12.00 g
Diameter 28.40 mm
Edge Fine milled incuse edge lettering
Edge Inscription • IN SERVITIO OMNIUM
Obverse Martin Jennings

1-pound - British Bees

2023 1-pound British Bees Reverse Reverse
2023 1-pound King Charles III Obverse Obverse

2023 £1 Brilliant Uncirculated

Alloy Inner: Nickel-plated nickel brass / Outer - Nickel Brass
Weight 8.75 g
Diameter 23.03 mm
Edge Alt Plain / Milled
Obverse Martin Jennings

50p - Atlantic Salmon

2023 50p Atlantic Salmon Reverse Reverse
2023 50p King Charles III Obverse Obverse

2023 50p Brilliant Uncirculated

Alloy Cupro-Nickel
Weight 8.00 g
Diameter 27.30 mm
Edge Plain
Obverse Martin Jennings

20p - Puffin

2023 20p Puffin Reverse Reverse
2023 20p King Charles III Obverse Obverse

2023 20p Brilliant Uncirculated

Alloy Cupro-Nickel
Weight 5.00 g
Diameter 21.40 mm
Edge Plain
Obverse Martin Jennings

10p - Capercaillie

2023 10p Capercaillie Reverse Reverse
2023 10p King Charles III Obverse Obverse

2023 10p Brilliant Uncirculated

Alloy Nickel Plated Steel
Weight 6.50 g
Diameter 24.50 mm
Edge Milled
Obverse Martin Jennings

5p - Oak Leaf

2023 5p Oak Leaf Reverse Reverse
2023 5p King Charles III Obverse Obverse

2023 5p Brilliant Uncirculated

Alloy Nickel Plated Steel
Weight 3.25 g
Diameter 18.00 mm
Edge Milled
Obverse Martin Jennings

2p - Red Squirrel

2023 2p Red Squirrel Reverse Reverse
2023 2p King Charles III Obverse Obverse

2023 2p Brilliant Uncirculated

Alloy Copper-Plated Steel
Weight 7.13 g
Diameter 25.91 mm
Edge Plain
Obverse Martin Jennings

1p - Hazel Dormouse

2023 1p Hazel Dormouse Reverse Reverse
2023 1p King Charles III Obverse Obverse

2023 1p Brilliant Uncirculated

Alloy Copper-Plated Steel
Weight 3.56 g
Diameter 20.32 mm
Edge Plain
Obverse Martin Jennings

2023 UK Brilliant Uncirculated Coin Set

The 2023 definitive coin set was released as Brilliant Uncirculated coin pack with an issue price of £34.00 + P&P.

2023 UK Brilliant Uncirculated Coin Set
2023 UK Brilliant Uncirculated Coin Set Case

Frequently Asked Questions: 2023 Definitive Coin Sets

What are definitive coins?

Definitive coins are the standard circulating coins used in everyday transactions. Unlike commemorative coins, which mark specific one-off events, definitive designs are typically used for many years. The 2023 set represents the first definitive coins of His Majesty King Charles III's reign.

What is the theme of the new 2023 coin designs?

The eight new reverse designs are inspired by British wildlife and the natural world, reflecting King Charles III's passion for conservation. They also feature a unifying pattern of interlocking 'C's, reminiscent of the coinage of Charles II.

What changed in the designs of the 2023 definitive coin set?

2022-2023 Coin Design Changes

Click the image to enlarge the view

The first definitive coins of His Majesty King Charles III's reign replaced the last of Her Late Majesty Queen Elizabeth II's reign.

These coin sets mark the historic succession from one monarch to another and a momentous period of change for the United Kingdom. Together, the 2023 coins feature eight new reverse designs inspired by the four countries of the United Kingdom and His Majesty The King’s passion for nature The 2023 coins also bear the official coinage portrait of King Charles III plus an exclusive privy mark. The 2022 definitive coins are the last to bear a definitive coinage portrait of Queen Elizabeth II, Britain's longest-reigning monarch

Which animals and plants are featured on the coins?

The set includes a variety of species representing the four nations:

  • £2: Flora of the four nations (Rose, Daffodil, Thistle, Shamrock).
  • £1: British Bees.
  • 50p: Atlantic Salmon.
  • 20p: Puffin.
  • 10p: Capercaillie.
  • 5p: Oak Leaf.
  • 2p: Red Squirrel.
  • 1p: Hazel Dormouse.

What is a privy mark, and does the 2023 set have one?

A privy mark is a small symbol added to a coin design to honor a special occasion. The 2023 definitive coins feature a unique Tudor Crown privy mark on the obverse to mark the year of His Majesty's coronation.

Who designed the portrait of King Charles III?

The official coinage portrait of His Majesty, which appears on the obverse (heads) side of each coin, was created by the renowned British sculptor Martin Jennings.

Is the 2023 Atlantic Salmon 50p rare?

Yes. While included in these sets, the circulation mintage for the 2023 Atlantic Salmon 50p is approximately 200,000, making it one of the rarest 50p coins in British history.

About UK Coins

UK Coins is a comprehensive British numismatic reference dedicated to providing accurate, detailed information about United Kingdom coinage. We specialize in documenting annual coin sets, commemorative issues, and definitive coins with precise specifications sourced directly from The Royal Mint.

Our mission is to serve collectors, enthusiasts, and researchers by maintaining up-to-date records of British coins, including technical specifications, designer information, historical context, and cultural significance. Each coin set is meticulously documented with high-resolution images, complete specifications, and educational content.

All information is verified against official Royal Mint publications and updated regularly to ensure accuracy and completeness for the numismatic community.

Content Type Numismatic Reference
Authority Official Royal Mint Data
Page Last Updated
Maintained By UK Coins Editorial Team