A George III commemorative circular brass lidded box, embossed with a titled portrait of the King and the underside is inscribed: 
"George III was born June 4th 1738. Ascended the British Throne Oct 25 1760. The Grand National Jubilee celebrated 25 Oct 1810. Long live the King."
 
English, circa 1810
 
Dimensions
Height: 2.5cm / 1"
Diameter: 5.5cm / 2¼"