1987 Proof 1/2oz Gold Britannia Coin With Box and COA

Manufacturer: Royal Mint

Weight (grams): Half Ounce

Pure gold content (grams): 15.55174

Fineness: 916.7

Dimensions: 27mm Diameter

A 1987 Britannia Proof gold half ounce coin.

The non-gold content in this 1/2oz gold Britannia was copper for this year. The face value £50 coin contains half a troy ounce (15.5g) of fine gold. The coin is heavier than this weight however, as it is struck to 22-carat (91.67%) purity.