Complete List of Old Australian 100 Dollar Notes – History, Series Guide, Price Trends & Collector Value (2025)

The Australian 100 dollar note is the highest denomination currently in circulation in Australia and has a fascinating history that spans decades. For collectors, historians, and investors, old Australian $100 notes hold significant value, not only as currency but also as historical artifacts and rare collectibles.

This comprehensive guide covers the full list of old Australian 100 dollar notes, their issue years, design features, security upgrades, and market prices — helping you understand which notes are most sought after and how much they might be worth today.

1. History of the Australian 100 Dollar Note

Australia introduced the $100 note in 1984 as part of the paper banknote series issued by the Reserve Bank of Australia (RBA). It was designed to handle large-value transactions and reflect Australia’s rich cultural and scientific achievements.

Since its introduction, the note has gone through two major design eras — the paper series and the polymer series — with several variations within each.

2. Series Overview – Old Australian 100 Dollar Notes

2.1 Paper Series (1984–1996)

• Obverse: Sir Douglas Mawson – Antarctic explorer and geologist.

• Reverse: John Tebbutt – Astronomer who contributed to mapping the southern skies.

• Material: Cotton-based paper.

• Security Features: Watermark of Captain James Cook, metallic security thread, intaglio printing for texture.

The paper $100 note was in circulation for just over a decade and is now fully withdrawn, making it highly collectible.

2.2 First Polymer Series (1996–2016)

• Introduced as part of Australia’s pioneering polymer currency project.

• Retained Mawson and Tebbutt portraits but with modernized background designs.

• Features: Clear window, microprinting, shadow images, and raised print.

• Durable and resistant to wear compared to paper notes.

2.3 Next Generation Polymer Series (2016–Present)

• Updated to enhance security and accessibility.

• Retained key historical figures but added vibrant color tones and advanced security features, including a tactile strip for the visually impaired.

While this is the current circulating note, earlier polymer issues from 1996–2002 are now considered collectible.

3. Complete List of Old Australian 100 Dollar Notes and Market Values

Values depend on note condition, rarity, serial number, and market demand.

4. Factors That Increase Value of Old $100 Notes

1. Condition (Grade) – Uncirculated notes with crisp paper or polymer command the highest prices.

2. Rare Serial Numbers – Repeating numbers, “radar” sequences, first/last prefix codes, and low serials are valuable.

3. Limited Print Runs – Notes from short production years or withdrawn designs fetch premiums.

4. Star Notes – Marked with a star instead of a standard serial suffix; rare and collectible.

5. How to Identify Authentic Old Australian $100 Notes

With the popularity of collectible banknotes, authenticity checks are crucial:

• Raised Intaglio Printing – Feel the texture of the portraits and lettering.

• Security Thread (Paper) – A metallic strip embedded in the note.

• Polymer Window (Polymer Series) – Should be completely clear with detailed designs.

• Microprinting – Tiny, sharp text visible under magnification.

6. Market Trends & Investment Insights

The collector’s market for Australian currency has grown steadily, with certain old $100 notes increasing in value over the past decade.

• 1984 first-issue paper notes in uncirculated condition are especially desirable.

• Low serial polymer notes have strong demand among investors.

• Rare notes can achieve 2–3 times their face value in auctions.

7. Preservation & Storage Tips

To protect the value of your old $100 notes:

• Store them in acid-free, clear banknote sleeves.

• Avoid folding or creasing.

• Keep away from moisture, heat, and direct sunlight.

• Handle only with clean hands or cotton gloves.

List of Frequently Asked Questions (FAQs) About Old Australian $100 Dollar Notes – History, Series Guide, Price Trends & Collector Value (2026 Edition)

The old Australian $100 dollar note holds a special place in the nation’s numismatic history. As Australia’s highest-value denomination, the $100 note reflects decades of economic growth, technological advancement, and evolving security design. From its first paper issue in the 1980s to the early polymer versions of the 1990s, old Australian $100 notes are now highly sought after by collectors, investors, and currency historians.

This 2026 FAQ guide provides a complete overview of old Australian $100 notes, including historical background, series breakdown, design features, security elements, rarity, price trends, and collector value.

1. What are old Australian $100 dollar notes?

Old Australian $100 notes refer to earlier versions of the $100 denomination issued before the Next Generation Banknote series, including:

• Paper $100 notes (1984–1996)

• Early polymer $100 notes (1996–2019)

These notes are no longer printed and are increasingly scarce in high-grade condition.

2. When was the first Australian $100 note issued?

Australia introduced its first $100 note in 1984, making it the highest denomination in the decimal currency system at the time. This issue responded to inflation, economic growth, and demand for higher-value notes.

3. Why are old Australian $100 notes important?

Old $100 notes are important because they:

• Represent Australia’s highest denomination currency history

• Mark the transition from paper to polymer banknotes

• Showcase evolving security technology

• Feature nationally significant figures

• Hold strong collector and investment appeal

4. What series of old $100 notes exist?

Old Australian $100 notes fall into two major categories:

1. Paper Series (1984–1996)

2. First Polymer Series (1996–2019)

Each series has distinct designs, security features, and collector values.

5. What is the paper $100 note series (1984–1996)?

The paper $100 note was Australia’s last paper banknote denomination. Key characteristics include:

• Cotton-based paper

• Traditional engraved printing

• Watermarks and metallic threads

• Higher vulnerability to wear

Paper $100 notes are now highly collectible, especially in uncirculated condition.

6. What is the first polymer $100 note series?

Introduced in 1996, the polymer $100 note:

• Replaced the paper version

• Featured transparent windows

• Improved counterfeit resistance

• Offered greater durability

Early polymer $100 notes are now considered “old” polymer issues and are gaining collector attention.

7. Who appears on old Australian $100 notes?

Both paper and early polymer $100 notes feature:

• Dame Nellie Melba – Celebrated opera singer

• Sir John Monash – Military leader and engineer

These portraits reflect Australia’s cultural and national achievements.

8. What are the main design features of old $100 notes?

Common design elements include:

• Green colour palette

• Intricate engraved portraits

• Australian flora motifs

• Historic typography

• Clear evolution in layout between paper and polymer versions

9. What materials were used in old $100 notes?

• Paper notes: Cotton-based paper

• Early polymer notes: Plastic polymer substrate

Polymer notes proved longer-lasting and cleaner than paper.

10. What security features were used in old $100 notes?

Security features evolved over time:

• Watermarks

• Security threads

• Micro-printing

• Intaglio (raised) printing

• Transparent windows (polymer)

11. How do old $100 notes differ from new $100 notes?

12. How are serial numbers structured on old $100 notes?

• Letter prefixes indicate series and print batch

• Sequential numbering

• Replacement notes identified by star (*) or special prefix

13. What are star or replacement notes?

Star notes were issued to replace defective notes during printing. They:

• Exist in smaller quantities

• Are highly collectible

• Often sell for multiple times face value

14. Are there known error or misprint $100 notes?

Yes, rare errors include:

• Misaligned serial numbers

• Missing signatures

• Off-center printing

• Ink smears

Error notes are extremely valuable to specialists.

15. How rare are old Australian $100 notes?

Rarity depends on:

• Series and year

• Condition

• Serial number

• Replacement status

Paper $100 notes in UNC condition are particularly scarce.

16. How is the condition of a $100 note graded?

Grades include:

• Poor / Good

• Fine (F)

• Very Fine (VF)

• Extremely Fine (EF)

• About Uncirculated (aUNC)

• Uncirculated (UNC)

Condition has a major impact on value.

17. Are uncirculated old $100 notes more valuable?

Yes. Uncirculated notes:

• Have no folds or marks

• Retain crisp edges

• Display vibrant colours

• Command strong premiums

18. What affects the collector value of old $100 notes?

Key factors:

• Condition

• Series and rarity

• Serial numbers

• Star or error status

• Market demand (2026)

19. Old Australian $100 note price trends (2026)

• Paper $100 notes have shown steady appreciation

• Early polymer notes are gaining interest

• Low-serial and star notes outperform standard examples

20. Price chart for old Australian $100 notes (2026)

21. What serial numbers are most valuable?

• 000001–000100

• Radar numbers

• Solid numbers

• Repeating sequences

• Replacement serials

22. Do first-issue $100 notes carry premiums?

Yes. 1984 first-issue paper notes are:

• Historically significant

• Scarce in high grade

• Highly prized by collectors

23. Can damaged old $100 notes still be valuable?

Yes, if they feature:

• Rare serial numbers

• Replacement status

• Genuine printing errors

24. How to authenticate old Australian $100 notes

Check:

• Paper texture or polymer clarity

• Watermarks or windows

• Intaglio printing

• Serial consistency

• Professional grading if high value

25. How should collectors store old $100 notes?

• Acid-free sleeves

• Mylar holders

• Stable temperature and humidity

• Minimal handling

26. Where can collectors buy or sell old $100 notes?

• Numismatic dealers

• Currency auctions

• Collector forums

• Coin and banknote exhibitions

27. Are old Australian $100 notes a good investment?

Yes, particularly:

• Paper issues

• UNC examples

• Star and error notes

• Early polymer first prints

28. Common mistakes collectors should avoid

• Folding or cleaning notes

• Improper storage

• Overpaying for common notes

• Ignoring authentication

29. Future outlook for old Australian $100 notes

• Paper notes will continue to rise due to scarcity

• Polymer issues will follow long-term appreciation

• Global collector interest is increasing

30. Conclusion – Collector and investor summary

Old Australian $100 dollar notes are historically rich, increasingly rare, and highly collectible. From the 1984 paper issue to the early polymer series, these notes represent Australia’s monetary evolution and offer strong potential for long-term value growth.

The old Australian 100 dollar note is more than just currency — it is a symbol of Australian history and innovation. Whether paper or polymer, these notes offer a window into the country’s culture and economic development. For collectors, understanding the complete list of issues, historical context, and value factors can turn a casual interest into a rewarding investment.

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