Slang terms for money for "saucepan lid/quid". The five-pound note could be referred to as a "fiver", or its derivatives, "deep sea diver" and "sky diver". A number of post-decimal denominations which have since been discontinued had their own nicknames. The two-dollar note was known as the "sick sheep" in reference to its green colour and the merino ram that it showed. The paper (first and second series) hundred-dollar note was nicknamed the "grey ghost", or the "Bradman" in recognition of its proximity to the 99.94 batting average of cricketer Donald Bradman. In Canada, the one-dollar coin is known as the "loonie". This is
50-cent piece (Canadian coin) half-dollar coin. Newer vending machines do not generally accept it, even when they accept coins of both higher and lower value, but many older machines that were retooled to accept loonies will misidentify a 50-cent piece as a loonie, thus allowing the value of the coin to be doubled. A largely unsuccessful attempt was made by the Royal Canadian Mint to promote the use of the coin when a special edition was released in 2002 marking the 50th anniversary of the accession of Elizabeth II to the throne. After this failed promotion, the mint stopped distributing 50 cent pieces to