Marlboro decimal currency converter
[from the Australian Decimal Changeover archives]
When Australia changed to decimal currency from pounds, shillings and pence on February 14th 1966 many organisations, banks and retailers distributed charts and tables to help ease the public through the transition.
Not content with a simple table to convert the total sum of your purchases made, the Marlboro tobacco company went that extra step further.
Protruding the top of the cigarette packet shaped card are three movable cigarettes. Below this hidden in the packet design are numbers that magically change. As seen left above the converter sits at 0-0. Move the cigarettes up and 2 pence equals 2 cents (above middle), then 10 shillings equals one dollar (above right).
The reverse of this converter is a handy calendar of November 1965-October 1966.