$100 Coins

Downies Collectables
Australia Kookaburra 2026 $100 High Relief 1oz Gold Proof Coin
01 July 2026

1 left in stock

$9,495.00 AUD

Downies Collectables
Birds of Australia 2026 $100 Kookaburra 1oz Gold Proof Coin

2 left in stock

$10,999.00 AUD

Downies Collectables
Gold Rush 2026 $100 1oz Gold Proof Coin

2 left in stock

$10,999.00 AUD

Downies Collectables
Decimal Currency 60th Anniversary 2026 $100 1oz Gold Proof Coin

Available

$10,099.00 AUD

Downies Collectables
Australia Kangaroo 2026 $100 High Relief 1oz Gold Proof Coin

4 left in stock

$9,495.00 AUD

Downies Collectables
Chess Pawn 2026 $100 Platinum-plated 1oz Gold Proof Coin

3 left in stock

$10,899.00 AUD

Downies Collectables
Australia Gold Nugget Program 40th Anniversary 2026 $100 1oz Gold Proof Coin

5 left in stock

$9,495.00 AUD

Downies Collectables
Baby Sugar Glider 2026 $100 1oz Gold Proof Coin

19 left in stock

$11,199.00 AUD

Downies Collectables
Birds of Beauty 2026 $100 Purple Finch & Magnolias 1oz Gold Proof Coin

Available

$10,599.00 AUD

Downies Collectables
Queen of Hearts 2026 $100 1oz Gold Proof Coin

Available

$10,599.00 AUD

Downies Collectables
Fairies of the Forest 2026 $100 1oz Gold Proof Coin

Available

$10,699.00 AUD

Downies Collectables
Australia First Gold Rush 175th Anniversary 2026 $100 1oz Gold Proof Coin

4 left in stock

$9,495.00 AUD

Downies Collectables
Colours of Australia 2026 $100 Golden Deserts 1oz Gold Proof Coin

19 left in stock

$11,199.00 AUD

Downies Collectables
Deadly & Dangerous 2026 $100 Giant Centipede 1oz Gold Proof Coin

8 left in stock

$10,099.00 AUD

Downies Collectables
1999 $100 R618b Macfarlane/Evans Uncirculated

2 left in stock

$399.00 AUD

Downies Collectables
Alien Abduction 2025 $100 Platinum-plated 1oz Gold Proof Coin

$8,999.00 AUD

Downies Collectables
Australia 2026 $100 Wonders of Australia - The Outback Opal 1oz Gold Proof Coin

$10,095.00 AUD

Downies Collectables
Tasmanian Tiger 2026 $100 1oz Gold Proof Coin

$10,050.00 AUD

Downies Collectables
Seasons 2025 Winter $100 1oz Gold Proof Coin

$8,450.00 AUD

Downies Collectables
Australia Dragon 2025 $100 1oz Gold Proof Rectangular Coin

$8,550.00 AUD

Downies Collectables
Australia Lunar Year of the Horse 2026 $100 1oz Platinum Proof Coin

$4,999.00 AUD

Downies Collectables
Australia Wedge-tailed Eagle 2026 $100 Enhanced Ultra High Relief 1oz Gold Reverse Proof Coin

$9,495.00 AUD

Downies Collectables
Australia Lunar Year of the Horse 2026 $100 High Relief 1oz Gold Proof Coin

$9,995.00 AUD

Downies Collectables
Australia 2025 Reverse Gold-plated Five Sovereign Gold Proof Coin

$10,995.00 AUD

Downies Collectables
Australia at Night 2026 $100 Greater Bilby Platinum-plated 1oz Gold Proof Coin

$11,199.00 AUD

Downies Collectables
Australia Koala 2025 $100 Colour 1oz Gold Proof Coin

$9,295.00 AUD

Downies Collectables
Australia Lunar Year of the Horse 2026 $100 Domed 1oz Gold Proof Coin

$8,750.00 AUD

Downies Collectables
Chess Rook 2026 $100 Platinum-plated 1oz Gold Proof Coin

$10,050.00 AUD

Downies Collectables
Hummingbird 2026 $100 1oz Gold Proof Coin

$9,999.00 AUD

Downies Collectables
Australia Lunar Year of the Horse 2026 $100 1oz Gold Proof Coin

$9,995.00 AUD

1

2

3

Next page

The Prestige of Australia’s $100 Coins

At Downies, we’ve built our legacy on our passion for preserving the past and honouring Australia’s numismatic tradition. Since 1932, we’ve helped collectors discover pieces that reflect national pride, artistic brilliance, and enduring value. Our selection of $100 coins captures this spirit perfectly. Every $100 coin in Australia has been carefully chosen to appeal to serious collectors and newcomers alike. These coins are symbols of craftsmanship, symbols of commemoration, and milestones in Australia’s minting history.

Why Collect $100 Gold Coins from Downies

Australia’s $100 gold coin holds a special place among modern coins. It was first introduced in 1980 and is typically struck in fine gold, often 22 or 24 carat and issued by the Royal Australian Mint or Perth Mint. This one hundred dollar coin also celebrates iconic Australian wildlife, national events, or historical figures. Its detailed rendering elevates these coins beyond simple bullion.

The gold content, low mintage, and thematic importance contribute to the $100 gold coin’s desirability. Some coins in this category feature sovereigns like Queen Elizabeth II from varying reign periods, capturing significant shifts in monarchy and design. Explore more high-value commemoratives, historically important ancient coins, and rare Australian coins.

Trusted by Collectors for Generations

Downies offers a secure and accessible platform for enthusiasts to discover the finest one hundred dollar coins, complete with expert-backed information and exceptional customer service. The Decimal coins section provides essential information on the evolution of Australian money since 1966. Whether you’re drawn to the purity of the gold, the artistry of the design, or the historical narrative behind each release, our $100 coin offers something significant.

Frequently Asked Questions

Are $100 coins legal tender in Australia?

Yes. Although they carry legal tender status, $100 coins are not intended for general circulation. Their real worth lies in their gold content and collector’s appeal.

What is the typical metal composition of a $100 coin?

Most $100 gold coins are struck in 22—or 24-carat gold. Always check individual listings for detailed specifications.

Can the $100 coin be used for everyday purchases?

While legal tender, these coins are not meant for circulation, as their gold value far exceeds their face value.

How can I verify the authenticity of a $100 coin?

Purchase from trusted dealers like Downies, where coins come with certificates, mint packaging, and other verifiable details.

Is the $100 coin a good investment?

These coins offer intrinsic gold value and collector appeal, making them a brilliant addition to one’s diversified coin collection.

$100 Coins

FiltersFilter & Sort

50 results

The Prestige of Australia’s $100 Coins

Why Collect $100 Gold Coins from Downies

Trusted by Collectors for Generations

Frequently Asked Questions

Are $100 coins legal tender in Australia?

What is the typical metal composition of a $100 coin?

Can the $100 coin be used for everyday purchases?

How can I verify the authenticity of a $100 coin?

Is the $100 coin a good investment?

Your cart

Useful Information

Customer Service

Compare /15

Choose options

My wishlists

Select variant:

Your wishlist