George III "Spade" Guinea (1787)
Lewis Pingo
Uncommon
Object Type
Gold guinea, 21 shilling face value
Medium / Material
22-carat gold
Production Place
Tower Hill, London
Dimensions
H 24 × W 24 × D 1.4 mm · 8.4 g
The last of the guinea denominations, nicknamed "spade" for the heart/spade-shape of its reverse shield. Replaced by the sovereign in 1817.
Materials & Techniques
22-carat gold alloy, 8.4 g