British Coins

1553-1558 Groat Mary I Obverse Coins of Queen Mary I - A list of Coins of Queen Mary I (Mary 1553-54 - Philip and Mary 1554-58)
1698 Penny William III Obverse MV 1698 Penny – William III - The pennies produced were in silver and had the same design as the Maundy coins. Copper halfpennies and farthings were minted, but no copper pennies.
2025 Iron Maiden 1oz Silver Proof Reverse RM 2025 Iron Maiden Five Pounds Colour BU - The 2025 Iron Maiden £5 is part of the Royal Mint's Music Legends Collection. Iron Maiden are an English heavy metal band formed in London in 1975.
2001 Four Coin Gold Proof Sovereign Set (Marconi) - On 12 December 1901 the Italian Physicist Guglielmo Marconi became the first person to send a radio transmission across the Atlantic.
2015 Silver Two Pound Proof The Royal Navy Box 2015 Silver Two Pound Proof The Royal Navy: Yet Another Product Variant - The 2015 Silver Two Pound Proof The Royal Navy is a silver proof version of the 2015 £2 currently in circulation, and I want to use this to illustrate how the Royal Mint is augmenting its coins by issuing product variants to reach as large as possible coin collector base. 
2005 Gunpowder Plot 2 Pounds 2005 2 Pound Coin: Gunpowder Plot, Guy Fawkes and Bonfire Night. - In 2005 it was the 400th anniversary of the Gunpowder Plot and the Royal Mint commemorated the event with a two pound coin.
Hylaeosaurus The Third 50p coin in the Royal Mint’s Dinosauria Collection is Hylaeosaurus 50p - The third 50p coin in the Royal Mint's Dinosauria Collection is Hylaeosaurus.
1887 Double Florin Reverse 1887 Double Florin – Victoria - The Double Florin was only minted from 1887 to 1890, making it one of the shortest lived denomination in British coin history. It was denominated at 4 shillings (4/-). It is a large coin, 36mm in diameter and weighing 22.6g of 0.925 silver.
1945 Florin Reverse 1945 Florin – George VI - The 1945 Florin (2 shillings) of King George VI. The Reverse, by George Kruger Gray (initials KG below leaves), shows a crowned Tudor rose with thistle and shamrock to sides. Date and denomination in legend. King's Initials, G R, below.
2002 Gold Proof Crown Five Pounds - Golden Jubilee Reverse 2002 Gold Proof Crown Five Pounds – Golden Jubilee - The 2002 gold proof £5 'Golden Jubilee' crown was issued to commemorate the Golden Jubilee of Queen Elizabeth II.