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
Loonie and its 11-sidedness matched that of the already-circulating Susan B. Anthony dollar in the United States, and its thickness of 1.95 mm was a close match to the latter's 2.0 mm. Its gold colour differed from the silver-coloured Anthony dollar; however, the succeeding Sacagawea and Presidential dollars matched the loonie's overall hue. Other coins using a curve of constant width include the 7-sided British twenty pence and fifty pence coins (the latter of which has similar size and value to the loonie, but is silver in colour). After its introduction, the coin became the symbol of the Canadian dollar: media