1996 Australia 2 oz. Platinum Koala $20 Coin
 
Very rare, only 100 of these were minted by the Perth Mint in 1996.
 
Comes with display box and COA.
 
From the COA:
 
"This is to certify that the presentation case contains one 2 ounce coin from the 1996 Proof Issue of the Australian Koala platinum bullion coin series minted and inspected by the Perth Mint.
 
The coin contains 2 ounces of pure platinum refined to a millesimal purity of 999.5 parts platinum in 1,000.
 
No more than 100 of these coins will be minted by the Perth Mint."