Britannia coins are British bullion coins issued by the Royal Mint in gold since 1987 and in silver since 1997. Britannia gold coins contain one troy ounce of gold and have a face value of £100.
From 2013 the gold coins have a millesimal fineness of .9999 (or 24 carat gold). Until 2012 the gold coins have a millesimal fineness of .917 (91.7% or 22 carat gold) with the non-gold component being copper until 1989 and silver from 1990.
Eligible for Precious Metals IRAs.