Australia - Breweries

Castlemaine Perkins is a brewery located in Milton, Brisbane, Australia, that was founded in 1878. In 1992, Castlemaine Perkins was acquired by Australian beverage and food company Lion Nathan, who in turn were taken over by Japanese beverage conglomerate, Kirin, in 2009.
Some of the Brewery's Range
XXXX Bitter - Introduced in 1924. Despite its name, is a lager.
XXXX Summer Bright Lager -
XXXX Gold -

Over the years the brand identity is updated and re-launched with subtle changes, a change of Logo or a new font.
Sometimes this brand update is done by the new owners after a brewery has been sold, other times just to give the brand a fresh new look on the ever growing market.

Below are some notes to help identify some of these changes and an aid to reference the year of the glass.