Australian Koala Platinum Coin

1 Ounce   $ 868.78

1/2 Ounce   $ 434.39

1/4 Ounce   $ 217.19

1/10 Ounce   $ 86.88

1/20 Ounce   $ 43.43

Australian Koala Platinum Coins contain 99.95% platinum and they come in 5 weight denominations. The following decribes each coins attributes.
 

1 Troy oz.
Diameter: 32.1 mm    
Thickness: 2.70 mm
Gross weight: 1.0016 troy oz. (31.185g)
Actual Platinum Content: 31.104g
Face value: $A100
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1/2 Troy oz.
Diameter: 25.10 mm    
Thickness: 1.30 mm
Gross weight: 0.5012 troy oz. (15.605g)
Actual Platinum Content: 15.597g
Face value: $A50
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1/4 Troy oz.
Diameter: 20.10 mm 
Thickness: 1.90 mm
Gross weight: 0.2510 troy oz. (7.815g)
Actual Platinum Content: 7.811g
Face value: $A25
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1/10 Troy oz.
Diameter: 16.10 mm   
Thickness: 1.32 mm
Gross weight: 0.1008 oz (3.137g)
Actual Platinum Content: 3.135g
Face value: $A15
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1/20 Troy oz.
Diameter: 14.10 mm    
Thickness: 1.32 mm
Gross weight: 0.0505 troy oz.(1.571g)
Actual Platinum Content:  1.570g
Face value: $A5