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1991 Australian Koala 1 oz Platinum Coin

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The Australian Koala Coin program is well-known today as a silver bullion program, but it was first available for 12 years as a platinum coin program. In fact, the series helped establish the system of Perth Mint coinage featuring native flora and fauna with ever-changing reverse designs. Provident Metals now has 1991 Australian Koala 1 oz Platinum Coins available to you for purchase online.


  • Arrives with protective plastic capsules!
  • 4th coin in the Australian Koala Platinum Series!
  • Limited mintage of just 52,016 platinum coins!
  • Contains 1 Troy oz of .9995 pure platinum.
  • Issued a face value of $100 (AUD) by the government of Australia.
  • The obverse side depicts Queen Elizabeth II.
  • On the reverse field is a koala.

When you purchase one of these 1991 Australian Koala 1 oz Platinum Coins online from Provident Metals, you will receive each coin in an individual capsule. The Koala Platinum Coin featured a mintage of more than 52,000 coins in 1991, setting the fifth-highest mintage in the series history.


The obverse side of the 1991 Australian Koala Platinum Coin comes with a portrait of Queen Elizabeth II. Her Majesty is shown here in right-profile relief in the 1985 design from Raphael Maklouf. This timeless effigy of the Queen includes the George IV State Diadem with inscriptions on the coin of ELIZABETH II, AUSTRALIA, and 100 DOLLARS.


On the reverse field of 1991 Koala 1 oz Platinum Coins, you will find the image of a koala in a tree. The koala is shown clinging to the trunk of the tree as it climbs. The inscriptions on this side include THE AUSTRALIAN KOALA, 1 OZ 9995 PLATINUM, and 1991.


Australian Koala Platinum Coins were introduced in 1988 with 1 oz, 1/2 oz, 1/4 oz, and 1/10 oz options. Later, 1 Kilo, 10 oz, and 2 oz coins were also introduced. In 2000, the program was canceled due to sinking demand for platinum.


Provident Metals customer service is available at 800-313-3315. Additionally, you can chat with us live online or email us directly.

How Does Free Shipping Work?

When the subtotal of your purchase, including applicable discounts, is $199 or more, you receive free shipping for your entire order. In order to receive free shipping on purchases of $199 or more, you must live within the 50 US states. For orders less than $199, a $9.95 shipping fee applies. All products are discreetly packaged and shipped with full insurance included.

When will my order ship?

Most Provident orders are shipped within one (1) business day of your payment clearing. Payments made via PayPal clear instantly. Bitcoin payments clear instantly once the transaction is confirmed. Credit Card and bank wire payments process within 1 business day. ACH and paper check payments take 3-5 business days. Once payments are processed, products are released to fulfillment for packaging and shipping.

Can I choose the method of shipping?

All orders of $199 or more that are eligible for free shipping are, by default, shipped via a carrier of our choice (USPS or UPS). Depending on the contents and size of your purchase, you may be able to upgrade to a specific carrier during checkout.

Will I need to sign for my package?

For those orders of $999.99 or less, there is no need to sign for your package. However, you may select the option to require a signature at delivery if you want. This can be chosen and paid for at checkout. All orders of $1000 or more require a signature to complete delivery.

What about International Orders?

Provident is only able to ship to addresses in any of the 50 US states. This includes P.O. boxes and APO addresses.

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Product Details

Year 1991
Mint Mark P - Perth Mint
Metals Purity .9995
Producer Perth Mint
Diameter 32 mm
Condition Uncirculated
Country Australia
Designer (Obverse) Ian Rank-Broadley
Edge Style Reeded
Product Series Australian Koala
Certificate of Authenticity No
Capsule Size 32 mm
Packaging Plastic Capsule
Metal Content 1 Troy Ounce
Shipping Orders over $199 Ship Free
Denomination $100 AUD
Packaging Dimensions 2 x 2 x .5
Provident ID 3991952