1803, Great Britain, George III. Beautiful Gold 1/3 Guinea Coin. 2.77gm! Mint Date: 1803 Mint Place: London Denomination: 1/3 Guinea Reference: Friedberg 366, KM-648 ($900 in XF!). R! Material: Gold (.917) Diameter: 16.9mm Weight: 2.77gm Obverse: Laureated head of George III right. Legend: GEORGIVS III DEI GRATIA Reverse: Crown above date (1803). Legend aorund: Legend: BRITANNIARUM RE ...