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The killer whale is a toothed whale belonging to the oceanic dolphin family. Killer whales have sophisticated social structures, hunting techniques and vocal behaviours, which are passed across generations. They also have keen hearing and good eyesight, both in and out of water, and a developed sense of touch.
The killer whale's large size and strength make it one of the fastest of marine mammals. The average lifespan of males and female varies according to habitat and lifestyle. The female killer whale is thought to live the longest, to a maximum age of 80 to 90 years.
Commercial whaling and pollution have threatened whale populations, although there are many organizations that work towards the conservation of these extraordinary creatures.
No more than 7,500 of these coins will be issued by The Perth Mint.
DESIGN
The coin’s reverse depicts a dual design of a mature killer whale and calf in colour under the sea, and a struck design showing an adult leaping from an ocean of floating icebergs. The background incorporates the outline of the Antarctic continent bordered by the inscriptions 2011 – KILLER WHALE and ‘Australian Antarctic Territory’. The Perth Mint’s ‘P’ mintmark is also incorporated into the design.
Issued as legal tender under the Australian Currency Act 1965, the coin’s obverse depicts the Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II and the monetary denomination.
TECHNICAL SPECIFICATIONS
Silver Content (Troy oz) 1
Monetary Denomination (AUD) 1
Fineness (% purity) 99.9
Minimum Gross Weight (g) 31.135
Maximum Diameter (mm) 40.60
Maximum Thickness (mm) 4.00
Designer Wade Robinson |