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About the Humpback Whale Silver
Australian Antarctic Territory Silver Coins
The Humpback Whale series spans two distinct Australian Antarctic Territory coin programmes from two different mints. The Perth Mint issued a 1 oz silver proof in 2008 as part of the original Antarctic Territory series (which ran from approximately 2004 to 2014), while the Royal Australian Mint (RAM) launched a newer programme in 2022 with the 1 oz silver Humpback Whale coin appearing in 2023 as the second release following the Emperor Penguin.
The RAM's 2023 silver bullion coin is the primary product in current circulation, struck in .999 fine silver with a mintage of 25,000. That figure is notably low for a modern government bullion coin. For comparison, Perth Mint Kangaroo coins have unlimited mintage, and Kookaburras typically run to 500,000. The limited mintage creates potential for numismatic premiums above the silver content value, particularly as the series progresses and earlier issues sell through.
The RAM also produced a 2 oz silver version and an extremely limited 1 oz gold edition (mintage just 250), along with a coloured proof presentation for collectors. Perth Mint's separate contribution includes the 2008 silver proof (mintage 7,500) and a 2019 1/3 oz platinum coin (mintage 25,000), both under the Australian Antarctic Territory banner.
All versions carry Australian legal tender status and government-guaranteed weight and purity. The humpback whale itself is an appropriate subject for the Antarctic Territory programme: the species migrates between Antarctic feeding grounds and tropical breeding waters in one of the longest animal migrations on Earth, and was nearly hunted to extinction before international protection was established through the Antarctic Treaty area in 1963.
Humpback Whale Coin Specifications
| Attribute | 2023 RAM 1 oz Silver | 2023 RAM 2 oz Silver | 2023 RAM 1 oz Gold |
|---|---|---|---|
| Weight | 31.1 g (1 troy oz) | 62.2 g (2 troy oz) | 31.1 g (1 troy oz) |
| Purity | .999 silver | .9999 silver | .9999 gold |
| Diameter | 40 mm | — | 38.74 mm |
| Edge | Reeded | — | Reeded |
| Face value | $1 AUD | — | $100 AUD |
| Mintage | 25,000 | — | 250 |
| Finish | Brilliant Uncirculated | — | Brilliant Uncirculated |
Earlier Perth Mint Issues
| Attribute | 2008 PM Silver Proof | 2019 PM 1/3 oz Platinum |
|---|---|---|
| Weight | 1 troy oz | 1/3 troy oz |
| Purity | .999 silver | .9995 platinum |
| Diameter | — | 25.6 mm |
| Face value | $1 AUD | $30 AUD |
| Mintage | 7,500 | 25,000 |
| Mint mark | — | "P" (Perth Mint) |
Design
The 2023 RAM reverse depicts a group of humpback whales in their natural habitat: an adult and two smaller whales swimming underwater in the lower portion, with another adult breaching the surface above. The obverse carries the Jody Clark portrait of Queen Elizabeth II with reign dates "1952-2022," representing one of the final uses of her likeness on Australian coinage before the transition to King Charles III.
Tax Treatment of Humpback Whale Coins
As Australian legal tender coins from government mints, the Humpback Whale coins receive favourable tax treatment in most jurisdictions.
Australia
Investment-grade gold coins from the RAM and Perth Mint are GST-free. The 1 oz gold coin at .9999 purity qualifies without question. The silver bullion coins at .999 purity also qualify as investment-grade precious metals, though the coloured proof version may be treated as a collectible and attract GST depending on the transaction structure.
United States
The .9999 gold coin is IRA-eligible as a sovereign-mint coin exceeding the 99.5% purity threshold. The silver coin at .999 meets the 99.9% IRS requirement for silver. State sales tax varies, with roughly 35 states exempting bullion. The extremely limited 250-coin gold mintage means most buyers are paying substantial numismatic premiums above the gold content value.
United Kingdom
Gold versions qualify as investment gold under HMRC rules (legal tender, 900+ fineness) and are VAT-free. Silver versions carry the standard 20% VAT. Australian legal tender coins are not CGT-exempt in the UK. That exemption is restricted to UK Royal Mint legal tender such as Sovereigns and Britannias.
Canada
Gold coins of 99.5%+ purity and silver coins of 99.5%+ purity in qualifying form are GST/HST-exempt. Both the gold and silver Humpback Whale coins meet these thresholds.
Singapore and Hong Kong
No sales tax applies to investment precious metals in either jurisdiction. Singapore's IPM scheme exempts gold of 99.5%+ and silver of 99.9%+ purity. Hong Kong has no sales tax of any kind and no import duties on precious metals.
Humpback Whale vs Other Australian Bullion
The Humpback Whale's defining characteristic is its low mintage relative to mainstream Australian bullion coins. This positions it between the mass-production bullion market and the limited-edition collector market.
Against Perth Mint Lunar Series
The Lunar Series III from Perth Mint has mintages exceeding 300,000 for the 1 oz silver and a much broader weight range. Lunar coins are widely available, highly liquid, and carry moderate premiums. The Humpback Whale's 25,000-coin silver mintage is a fraction of the Lunar's volume, creating less dealer availability but more potential for numismatic appreciation. Buyers seeking pure bullion with maximum liquidity will prefer the Lunar. Buyers who value lower mintage and the Antarctic Territory theme will find the Humpback Whale more compelling.
Against Perth Mint Kangaroo and Kookaburra
Kangaroos have unlimited mintage and are produced as pure bullion with tight dealer spreads. Kookaburras run to approximately 500,000. Both are established, highly liquid series. The Humpback Whale occupies a different niche entirely, with its limited mintage making it less suitable for large-volume accumulation but potentially more rewarding for buyers who hold through the secondary market.
Against Royal Canadian Mint Wildlife
The RCM produces various wildlife-themed coins with comparable quality and legal tender status. Similar mintage tiers and production standards. The Antarctic Territory theme gives the Australian coins a unique geographic angle, linking them to an area of genuine scientific and environmental significance rather than the more common generic wildlife themes.
Against the 2008 Perth Mint Version
Collectors should be aware that the 2008 Perth Mint Humpback Whale and the 2023 RAM version are from entirely separate programmes. The Perth Mint's original Australian Antarctic Territory series ran from approximately 2004 to 2014 before being discontinued. RAM launched a new series under the same name starting in 2022. The two share a theme but come from different mints, different eras, and different production standards.