British Coins

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.
1601-1602 Halfcrown Elizabeth I Obverse 1601-1602 Halfcrown – Elizabeth I - Silver Halfcrown of Elizabeth I minted in 1601-1602 at the Tower (London) Mint. Seventh issue. Diameter 35mm. The Obverse shows a portrait of Queen Elizabeth I, crowned, wearing a ruff and holding a lis-tipped sceptre.
1953 Half Crown Reverse 1953 Halfcrown – Elizabeth II - The Reverse, by Cecil Thomas, shows a quartered shield of arms, crowned with ER to the sides. Obverse shows the young bust of Queen Elizabeth II by Mary Gillick.
1554 Sixpence Philip and Mary Obverse 1554 Sixpence – Philip and Mary - Minted at the Tower Mint in London with a diameter 27mm. There are some variants. Obverse shows busts of Philip and Mary facing each other.