The George III 1807 Half Penny is a British coin struck during the reign of King George III (1760–1820). 

On the front it features a portrait of King George III facing right, with the inscription around the edge that reads "GEORGIUS III D. The portrait shows the king with a laurel wreath, a common symbol of victory and honor.
On the back it depicts Britannia, a seated female figure representing Britain. She is shown holding a trident in her left hand and a shield with the Union Jack pattern in her right hand, symbolizing Britain's naval power and strength.
Below Britannia is the inscription "1807," indicating the year the coin was minted.
Although the coin itself doesn't commemorate this event. 1807 was a notable year, as it marked the Abolition of the Slave Trade Act in the British Empire.
The George III coins are valued for their historical significance, particularly representing the long reign of George III and Britain’s role in the Napoleonic Wars during this time.