The Guinea

1813 George III Gold 'Military' Guinea Obverse. Image: M J Hughes Coins
1813 George III Gold 'Military' Guinea Obverse. Image: M J Hughes Coins
1813 George III Gold ‘Military’ Guinea Obverse. Image: M J Hughes Coins

The Guinea is a famous British gold coin minted between 1663 and 1814. The coin was originally created as a one pound coin (20 shillings) but is better known as being worth One Pound and One Shilling (21 shillings).

After the English Civil War, King Charles II introduced new coinage. A gold coin, approximately a quarter of an ounce, was issued and for the first time it was not hammered. Made by machine using gold from the Guinea Coast of West Africa the coin probably became the most important coin of the realm.

1813 George III Gold 'Military' Guinea Reverse. Image: M J Hughes Coins
1813 George III Gold ‘Military’ Guinea Reverse. Image: M J Hughes Coins

Originally 20 shillings, the coin actually fluctuated with the gold price, at times being as high as 30 shillings. In 1717 the Guinea became fixed at 21 shillings (in today’s money that is £1.05). Other coins of the family were also minted, such as half-guinea, two-guinea and five-guinea.

In the Great Recoinage of 1816 the Guinea was replaced by the Pound and the Sovereign became the gold coin in use. Long after the Guinea was retired the name continued to be used, especially for prestige purchases intended for the more wealthy. Even now racehorses are still sold in Guineas (the auctioneer traditionally taking the 5p as commission).

Guineas are 25mm in diameter, weigh about 8.38g and are 22 carat gold (91.6%). Prior to 1717 they weighed slightly less (around 8.3g) and were made of 91.34% gold.


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GENUINE 22ct GOLD FULL GUINEA COIN 1785 KING GEORGE III
£249.00 (0 Bids)
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King George 111 1785 Gold Guinea
£525.00
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George III 1777 22ct Gold Full Guinea Coin.Shield back.
£750.00 (0 Bids)
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1692 William And Mary 24kt Gold Plated Guinea
£7.00 (0 Bids)
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1715 KING GEORGE 1ST FULL GOLD GUINEA PIECE
£49.00 (14 Bids)
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1799 Gold Guinea, George III, Fifth Head Spade Guinea.
£549.00
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1810 KING GEORGE III HALF GUINEA
£395.00
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1777 George III Gold Half Guinea
£300.00
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Great Britain George III 1/2 Guinea 1793 XF Gold Coin RRR
$540.00
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1901 Ogden's Guinea Gold H Base Golf Harry Vardon #476 PSA 4 VGEX (PWCC)
$3.25 (2 Bids)
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1788 GREAT BRITAIN GEORGE III GOLD GUINEA
$124.50 (4 Bids)
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(KM-10) 1976 PAPUA NEW GUINEA 100 Kina Gold Proof (9.57 grams .900 fine)
$329.88 (0 Bids)
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2013 St. Helena 1.05 Pounds Guinea Proof Gold Coin - East India Company - Lion
$465.00
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1713 GREAT BRITAIN QUEEN ANNE GOLD GUINEA
$350.00 (9 Bids)
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ANNE - A GOLD HALF GUINEA !
$354.92 (0 Bids)
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1806 GEORGIAN 22CT SOLID GOLD HALF GUINEA COIN SCROLL MOUNTED - 4.3grams
$121.32 (13 Bids)
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