Kentucky Derby the presenting sponsor. In addition to the race itself, a number of traditions play a large role in the Derby atmosphere. The mint julep—an iced drink consisting of bourbon, mint, and a sugar syrup—is the traditional beverage of the race. The historic drink can be served in an ice-frosted silver julep cup, but most Churchill Downs patrons sip theirs from souvenir glasses (first offered in 1939 and available in revised form each year since) printed with all previous Derby winners. Also, burgoo, a thick stew of beef, chicken, pork, and vegetables, is a popular Kentucky dish served at the Derby.
Perth Mint remained busy as staff turned their skills to making fine gold bullion bars. But it was not long before the Mint was involved again in the production of coins. During World War II, the Perth Mint began minting the Australian coinage from base metals. Up until the end of 1983, the Perth Mint also manufactured much of Australia's lower-denomination coin currency. The Perth Mint achieved "arguably the purest of all gold" in 1957 when the mint produced a proof plate of six nines - 999.999 parts of gold per thousand. The Royal Mint was so impressed that it ordered some