September 20, 2007

Australian Gold Nugget

Filed under: Gold Bullion Coins — metals market @ 5:48 pm
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The Australian Gold Nugget is a gold bullion coin minted by the Perth Mint. The coins have been minted in denominations of 1/20 oz, 1/10 oz, 1/4 oz, 1/2 oz, 1 oz, 2 oz, 10 oz, and 1 kg of 24 carat gold. They have legal tender status in Australia and are one of few legal tender bullion gold coins to change their design every year, another being the Chinese Gold Panda. This and their limited annual mintage may, unlike for many other bullion coins, raise their numismatic value over the value of gold used.

The Gold Nugget series was introduced in 1986 by the Gold Corporation, a company wholly owned by the government of Western Australia. This issue of coins had two unique features: a “two-tone” frosted design effect, and individual hard plastic encapsulation of each coin. These features were unusual for a standard bullion coin and gave the Nugget a unique market niche.

From 1986 to 1989, the reverse of these coins pictured various Australian gold nuggets. With the 1989 proof edition, the design was changed to feature different Kangaroos, a more world-recognized symbol of Australia. The coins are today sometimes referred to as “gold kangaroos”.

In 1991, 2 oz, 10 oz, and 1 kilo sizes were introduced. These were created with the intention of using economies of scale to keep premiums low, and are some of the largest gold coins ever minted. In 1992, the face values on these large coins were lowered to keep them proportional to the 1 oz coin. The reverse of these coins does not change annually like the lower denominations; the same “red kangaroo” design is used every year.

The Australian Gold Nugget coins should not be mistaken for The Australian Lunar Gold Bullion coins. Both coins are minted by Perth Mint and have 9999 purity, but Lunar coins have image of different animals from Chinese calendar instead of kangaroo.

1/20 troy oz coin
Diameter: 14.10 mm
Thickness: 1.40 mm
Weight: 0.0500 troy oz (1.5552 g)
Face value: $5
1/10 troy oz coin
Diameter: 16.10 mm
Thickness: 1.30 mm
Weight: 0.1000 troy oz (3.1103 g)
Face value: $15
1/4 troy oz coin
Diameter: 20.10 mm
Thickness: 1.80 mm
Weight: 0.2500 troy oz (7.7758 g)
Face value: $25
1/2 troy oz coin
Diameter: 25.10 mm
Thickness: 2.20 mm
Weight: 0.5001 troy oz (15.5515 g)
Face value: $50
1 troy oz coin
Diameter: 32.10 mm
Thickness: 2.65 mm
Weight: 1.0001 troy oz (31.1030 g)
Face value: $100
2 troy oz coin
Diameter: 40.40 mm
Thickness: 3.35 mm
Weight: 2.0002 troy oz (62.2132 g)
Face value: $500 (1991)
$200 (1992- )
10 troy oz coin
Diameter: 59.70 mm
Thickness: 7.65 mm
Weight: 10.0010 troy oz (311.0659 g)
Face value: $2500 (1991)
$1000 (1992- )
1 kilo coin
Diameter: 74.50 mm
Thickness: 15.80 mm
Weight: 32.1540 troy oz (1000.1000 g)
Face value: $10,000 (1991)
$3000 (1992- )

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