Complete List of Australian £100 Pound Notes – Rare Banknote History, Collector’s Guide & Updated Value Chart

The Australian £100 Pound note is among the most historically significant and rarest banknotes in the country’s pre-decimal currency history. Issued in extremely limited quantities and used almost exclusively for large-scale transactions between banks and institutions, these notes were seldom handled by the general public.

With the introduction of the Australian dollar in 1966, most £100 notes were redeemed and destroyed, leaving only a handful in private collections today. Their scarcity, combined with their historical value, has made them one of the most coveted collectibles in Australian numismatics.

This detailed guide covers the history, design features, complete list of issued variations, and the current market price for these remarkable banknotes.

1. Historical Background

Before Australia converted to decimal currency, its monetary system was based on Pounds (£), Shillings (s), and Pence (d). The £100 Pound note was the highest denomination in circulation, representing a massive sum of money at the time — far beyond the reach of most Australians.

Key Historical Points:

• First Issued: Early 20th century by the Commonwealth Bank of Australia.

• Primary Use: High-value transactions, interbank settlements, government transfers.

• Decimal Conversion: In February 1966, £1 was replaced by $2 AUD, making the £100 note equal to $200 AUD at face value — though worth far more in real purchasing power.

• Current Status: Extremely rare, often selling for over $100,000 AUD at auction depending on condition and rarity.

2. Design and Security Features

Over the decades, the design of the £100 note evolved to incorporate both aesthetic beauty and anti-counterfeiting measures.

Common Characteristics Across Issues:

• Front Design: Portraits of national figures, allegorical representations of industry, agriculture, and trade.

• Back Design: Detailed engravings of national emblems, intricate patterns, and classic flourishes.

• Watermarks: Prominent watermark portraits to deter forgery.

• Colour Scheme: Generally green, blue, or brown tones depending on the year.

• Paper Quality: Cotton-fibre banknote paper for durability.

3. Complete List of Known £100 Pound Note Issues

The following chart outlines the known issues, their signatories, and rarity levels:

4. Current Market Value & Price Guide (2025)

The market price of an Australian £100 Pound note depends on condition (grade), serial number, and rarity of the issue.

💡 Special notes with unique serial numbers or historically significant provenance may sell for even higher prices at auction.

5. Factors Affecting Value

Collectors and investors assess the worth of these notes based on:

• Physical Condition (no folds, tears, stains for highest value).

• Rarity of the Issue (early 1914-1923 notes command the highest prices).

• Signatory Combinations (some combinations had fewer prints).

• Auction Demand (influenced by global interest).

6. Authentication Tips

Due to their high value, £100 notes are often targets for counterfeiting. To ensure authenticity:

• Compare the watermark with official references.

• Examine engraving sharpness under magnification.

• Check paper texture (cotton-based, not polymer).

• Verify serial numbers in a trusted catalogue (e.g., Renniks Australian Coin & Banknote Guide).

7. Investment Potential

The Australian £100 Pound note has shown consistent long-term appreciation in value. As supply is fixed and demand continues to grow, these notes are considered a safe-haven investment for serious numismatists.

Investment Advantages:

• Ultra-low survival numbers.

• Strong international collector market.

• Historically significant pre-decimal currency.

8. Buying & Selling Locations

Trusted sources for buying or selling include:

• Major Auction Houses (Noble Numismatics, Downies, Heritage Auctions).

• Accredited Currency Dealers with strong reputations.

• Private Sales only with full authentication and documentation.

List of Frequently Asked Questions (FAQs) about Australian £100 Pound Notes – Rare Banknote History, Collector’s Guide & Updated Value Chart

Introduction to Australian £100 Pound Notes

Australian £100 Pound notes are among the rarest and most valuable pre-decimal banknotes ever issued in Australia. Unlike lower denominations, the £100 note was produced in extremely limited quantities, primarily for interbank settlements, large commercial transactions, and government use. As a result, very few examples survived into the modern collector era.

Today, Australian £100 Pound notes are considered elite collectibles, commanding premium prices at auctions and private sales. Their scarcity, historical importance, and condition sensitivity make them one of the most desirable banknotes in Australian numismatics.

This comprehensive FAQ guide explores the history, series, designs, rarity, authentication, and updated collector values of Australian £100 Pound notes.

Frequently Asked Questions (FAQs)

1. What is an Australian £100 Pound note?

An Australian £100 Pound note is a high-denomination paper banknote issued before Australia adopted decimal currency in 1966. It was equivalent to £100 Australian Pounds, a substantial sum at the time, making it inaccessible to everyday citizens.

2. Were £100 Pound notes commonly used in Australia?

No. These notes were never intended for public circulation. They were mainly used by:

• Banks

• Government departments

• Large commercial institutions
  Because of their limited circulation, survival rates are extremely low.

3. When were Australian £100 Pound notes issued?

Australian £100 Pound notes were issued primarily between:

• 1914 and 1966, depending on the issuing authority and series

Most surviving examples come from early Commonwealth Bank and Reserve Bank of Australia issuances.

4. Who issued Australian £100 Pound notes?

The main issuing authorities included:

• The Commonwealth Bank of Australia

• Later, the Reserve Bank of Australia

Each authority used distinctive design elements and security features.

5. Why are Australian £100 Pound notes so rare?

Their rarity is due to:

• Extremely low print runs

• Limited circulation

• High redemption and destruction rates

• Strict banking controls
  As a result, fewer than a few dozen examples are known for some series.

6. What did £100 represent in historical value?

Historically, £100 was equivalent to:

• Several years’ wages for an average worker

• The price of a house deposit or farmland
  This explains why everyday Australians rarely encountered these notes.

7. What designs appear on Australian £100 Pound notes?

Common design features include:

• Classical engravings

• Ornate borders

• Prominent denomination numerals

• Issuing bank text
  Portraits were rare compared to lower denominations.

8. Are there multiple series of Australian £100 Pound notes?

Yes. Known series include:

• Early Commonwealth Treasury issues

• Commonwealth Bank issues

• Transitional Reserve Bank notes
  Each series differs in typography, layout, and signatures.

9. How many Australian £100 Pound notes are known to exist today?

Estimates suggest:

• Fewer than 200 examples worldwide

• Some series have fewer than 10 known survivors

This scarcity drives exceptional collector demand.

10. What paper and printing techniques were used?

These notes were printed on:

• High-quality cotton-based paper

• Watermarked sheets

• Intaglio and letterpress printing
  These techniques enhanced durability and security.

11. Did Australian £100 Pound notes have watermarks?

Yes. Most genuine notes feature:

• Crown watermarks

• Geometric patterns

• Bank-specific designs
  Watermarks are critical for authentication.

12. Are there known counterfeit Australian £100 Pound notes?

Counterfeits are rare but do exist. Due to high values, forgeries target:

• High-grade specimens

• Incomplete provenance examples
  Professional authentication is strongly recommended.

13. How can you authenticate an Australian £100 Pound note?

Authentication methods include:

• Paper fiber analysis

• Watermark verification

• Signature comparison

• Expert grading services
  Third-party certification greatly increases market trust.

14. What condition grades affect value the most?

Condition plays a massive role. Grades include:

• Poor (P)

• Fine (F)

• Very Fine (VF)

• Extremely Fine (EF)

• Uncirculated (UNC)

Even minor tears can reduce value by tens of thousands of dollars.

15. What is the most valuable Australian £100 Pound note ever sold?

Some examples have sold for:

• AUD $300,000+ at major auctions
  Record prices depend on rarity, series, and condition.

16. Are £100 Pound notes legal tender today?

No. They ceased to be legal tender after:

• 14 February 1966, when decimal currency was introduced
  Today, they are purely collectible assets.

17. Can Australian £100 Pound notes be exchanged at banks?

No. Banks no longer redeem pre-decimal notes. Value is determined entirely by the collector market.

18. Why do collectors value these notes so highly?

Collectors value them for:

• Extreme rarity

• Historical significance

• Prestige ownership

• Investment stability

They are often considered trophy banknotes.

19. Are Australian £100 Pound notes a good investment?

Yes, for experienced collectors. Benefits include:

• Limited supply

• Strong long-term appreciation

• High auction demand
  However, liquidity can be limited due to high price points.

20. How do auction houses value these notes?

Valuation depends on:

• Condition

• Provenance

• Series rarity

• Market demand
  Major auction houses provide detailed valuation reports.

21. What is the updated value chart for Australian £100 Pound notes?

Indicative Value Chart (2026):

Values vary significantly by series.

22. Does provenance affect value?

Yes. Notes with:

• Documented bank origin

• Auction history

• Named collections
  often command higher prices.

23. Are there replacement or star £100 Pound notes?

Replacement notes were extremely rare at this denomination. Verified examples are considered museum-level pieces.

24. How should Australian £100 Pound notes be stored?

Best practices include:

• Archival sleeves

• Climate-controlled storage

• Avoiding light and humidity
  Improper storage can cause irreversible damage.

25. Are Australian £100 Pound notes displayed in museums?

Yes. They are featured in:

• Reserve Bank museums

• National and state collections
  Publicly displayed examples are often non-circulating proofs.

26. How does demand compare to lower denominations?

Demand is:

• Lower in volume

• Higher in value
  Only serious collectors pursue £100 notes due to cost.

27. Do these notes appear in private collections?

Yes, but rarely. Many are held by:

• Institutional collectors

• Multi-generation numismatic families

28. How do Australian £100 Pound notes compare internationally?

They rival:

• British £100 notes

• Canadian $100 Dominion notes
  in terms of rarity and prestige.

29. Are there future discoveries expected?

Unlikely. Most surviving examples are already documented, making new finds extremely rare.

30. What should beginners know before buying one?

Beginners should:

• Study market trends

• Consult experts

• Avoid unverified sellers
  These notes are not entry-level collectibles.

Final Thoughts

Australian £100 Pound notes represent the pinnacle of Australian banknote collecting. Their rarity, historical depth, and exceptional value place them among the most sought-after pre-decimal notes in the world. Whether viewed as a historical artifact, a financial investment, or a prestige collectible, these notes remain a cornerstone of elite numismatics.

For serious collectors, owning an Australian £100 Pound note is not just about value—it’s about preserving a rare piece of Australia’s financial heritage.

Conclusion

The Australian £100 Pound note is more than a piece of currency — it’s a piece of history. With extremely limited surviving examples, each note carries a story of Australia’s financial past. Whether you’re a seasoned collector or a first-time investor, these rare banknotes represent both cultural heritage and long-term value.

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