In 1951 the Royal Mint issued a Proof Set to honour the Festival of Britain, held on the Southbank, in London. This set was the last George VI set ever to be issued as he died the next year. This set contains the Crown, Halfcrown, Florin, English Shilling, Scottish Shilling, Sixpence, Threepence, Penny, Halfpenny and Farthing. The Penny and Brass Threepence are the key coins in the set.