Australia 5 Piece Platinum Koala PF Set 1990

Denominations & Face Values: $100 AUD – 1 oz $50 AUD – 1/2 oz $25 AUD – 1/4 oz $15 AUD – 1/10 oz $5 AUD – 1/20 oz

Diameter & Thickness (approximate): 1 oz: 32.6 mm / 2.7 mm 1/2 oz: 25.6 mm / 2.2 mm 1/4 oz: 20.1 mm / 2.0 mm 1/10 oz: 16.1 mm / 1.4 mm 1/20 oz: 14.1 mm / 1.2 mm (Actual specs vary slightly, but that’s the general ballpark from Perth Mint records.)

Specific Description & History: This stunning 1990 Australian Koala Proof Set includes five platinum coins, each struck in .9995 fine platinum by the Perth Mint. The reverse features a detailed image of a koala hugging a eucalyptus tree—designed by James Brown (JB initials visible). The obverse sports the regal portrait of Queen Elizabeth II, as sculpted by Raphael Maklouf. These proof coins shine with sharp frosted reliefs and mirror backgrounds—minted exclusively for collectors, not bullion investors. The max mintage? Only 2,500 sets worldwide. The coins come housed in a sleek wood display box, with a magnetic seal and original plaque insert.

Metal Content: Material: Platinum (.9995 pure) Total Platinum Weight: 1.85 oz (1 + 0.5 + 0.25 + 0.1 + 0.05)

Fun Fact: This was part of the first few years of the Platinum Koala program, launched just a year prior in 1988—Australia’s response to Japan's platinum craze.

• Denomination: N/A
• Year: 1990
• Diameter: N/A
• Mint Mark: P
• Thickness: N/A
• Grade: Ungraded