Complete List of New Australian 100 Dollar Notes – Full History, Features, Price & Value Guide

The Australian 100 dollar note is the highest denomination in Australia’s currency and has a fascinating history that blends art, culture, and cutting-edge security technology. While the $100 note is widely used for transactions, it is also a sought-after collectible—especially in uncirculated condition or with rare serial numbers.

The latest Next Generation Banknote (NGB) $100 was released by the Reserve Bank of Australia (RBA) on 29 October 2020, marking a new era for this high-value currency. In this detailed guide, we’ll cover:

  • The complete history of the $100 note

  • Design and security features of the new polymer series

  • Year-by-year list of new $100 notes and their values

  • Collector tips for identifying rare varieties

  • Where to buy, sell, and value your $100 notes

List of New Australian 100 Dollar Notes (2026 Updated)

The New Australian $100 Dollar Note is one of the most advanced polymer banknotes in circulation and remains the highest denomination of Australia's modern currency series. Featuring portraits of Sir John Monash and Dame Nellie Melba, these notes include state-of-the-art security elements such as transparent windows, microprinting, rolling-color effects, and tactile features. While most modern $100 notes trade close to face value, collector demand has increased for first-year issues, replacement notes, low serial numbers, radar notes, ladder notes, and printing error varieties. The following 2026 updated value guide provides estimated market values for New Australian $100 Dollar Notes based on issue year and collector demand.

Year New Australian $100 Note Series Circulated Value (AUD) Uncirculated Value (AUD)
2020 First Next Generation $100 Note $100 $140
2021 Polymer $100 Note $100 $130
2022 Polymer $100 Note $100 $120
2023 Polymer $100 Note $100 $120
2024 Polymer $100 Note $100 $125
2025 Polymer $100 Note $100 $130
2026 Polymer $100 Note $100 $135

Detailed Collector Price List for New Australian $100 Notes

Year Standard Note (AUD) First Prefix Note (AUD) Low Serial Number Note (AUD) Replacement Note (AUD)
2020 $100 – $140 $250 – $800 $1,000 – $10,000+ $500 – $5,000+
2021 $100 – $130 $200 – $700 $800 – $8,000+ $400 – $4,000+
2022 $100 – $120 $180 – $600 $700 – $7,500+ $350 – $3,500+
2023 $100 – $120 $175 – $500 $600 – $6,000+ $300 – $3,000+
2024 $100 – $125 $175 – $500 $600 – $6,000+ $300 – $3,000+
2025 $100 – $130 $180 – $550 $650 – $6,500+ $325 – $3,250+
2026 $100 – $135 $200 – $600 $700 – $7,000+ $350 – $3,500+

Most Valuable New Australian $100 Notes (2026)

Note Variety Estimated Value (AUD)
Ladder Serial Number Note $5,000 – $50,000+
Solid Serial Number Note $10,000 – $100,000+
Radar Serial Number Note $500 – $5,000+
Repeater Serial Number Note $300 – $3,000+
Replacement Prefix Note $350 – $5,000+
Major Printing Error Note $2,000 – $25,000+
Low Serial Number Note $700 – $10,000+

New Australian $100 Note Value Summary

Issue Year Average Collector Value (AUD)
2020 $100 – $10,000+
2021 $100 – $8,000+
2022 $100 – $7,500+
2023 $100 – $6,000+
2024 $100 – $6,000+
2025 $100 – $6,500+
2026 $100 – $7,000+

New Australian $100 Dollar Notes remain popular among collectors because of their sophisticated security features and collectible serial number varieties. In 2026, ordinary circulated notes generally retain face value, while rare serial numbers, replacement notes, and printing errors can command substantial premiums in the Australian banknote collecting market.

1. History of the Australian 100 Dollar Note

The $100 note has seen several transformations since its introduction:

  • 1984 – First issued as a paper note featuring Sir Douglas Mawson (Antarctic explorer) on the front and Dame Nellie Melba (opera singer) on the back.

  • 1996 – Replaced with a polymer banknote—Australia became the first nation to use polymer currency nationwide.

  • 2016–2020 – Gradual rollout of the Next Generation Banknote (NGB) series to enhance durability, accessibility, and security.

  • 2020 – Official release of the new $100 polymer note with advanced design elements, tactile features, and anti-counterfeiting measures.

2. Design of the New Australian $100 Note

The current polymer $100 note celebrates two national icons:

  • Front: Dame Nellie Melba – Celebrated Australian soprano, one of the world’s most famous opera singers.

  • Back: Sir John Monash – Engineer, military leader, and nation-builder.

Design Highlights

  • Primary Colour: Green with golden and blue accents.

  • Dimensions: 158mm x 65mm.

  • Thematic Elements: Cultural heritage, engineering achievements, and Australia’s natural environment.

3. Security Features of the New $100 Polymer Note

The Next Generation Banknote series includes state-of-the-art security:

  1. Clear Top-to-Bottom Window – Includes dynamic images that shift when tilted.

  2. 3D Lyrebird Image – Visible in the clear window, changes in appearance under movement.

  3. Color-Shifting Ink – Changes from green to gold when tilted.

  4. Microprinting – Extremely small text readable with magnification.

  5. Tactile Raised Bumps – Assists visually impaired users to identify denominations.

  6. Hidden Numbers – Appear under specific lighting conditions.

4. Complete List of New Australian $100 Notes by Year & Value

Below is a year-by-year breakdown of the new $100 notes, their signature combinations, and current collector values:

Year Signature Pair Series Type Condition Average Market Value*
2020 Lowe / Fraser NGB Series Polymer UNC $100 – $150
2021 Lowe / Fraser NGB Series Polymer UNC $100 – $140
2022 Lowe / Fraser NGB Series Polymer UNC $100 – $130
2023 Lowe / Bullock NGB Series Polymer UNC $100 – $120
2024 Bullock / Fraser NGB Series Polymer UNC $100 – $115

*Values are approximate for uncirculated notes; rare serials may command higher prices.

5. Collector Value – What Makes a $100 Note Rare?

Certain new Australian $100 notes are far more valuable than their face value:

  • First Prefix Notes – Example: AA20 000001. Highly collectible; can exceed $2,000.

  • Last Prefix Notes – Rare and sought after.

  • Special Serial Numbers – Repeating digits (e.g., 777777), radar numbers (e.g., 123321), low numbers (e.g., 000005).

  • Star Replacement Notes – Issued to replace defective notes; rare and high value.

  • Uncirculated Condition – Perfect notes can sell for 20–30% above face value.

6. Price Guide for New $100 Notes

Condition Common Serial Rare Serial
Circulated $100 $200 – $400
Uncirculated $110 – $150 $500 – $3,000+
First Prefix $300 – $1,000 $1,500 – $3,500
Fancy Serial $400 – $1,500 $2,000+

7. Tips for Collecting New $100 Notes

  • Always store in acid-free sleeves to prevent wear.

  • Avoid folding or creasing polymer notes.

  • Use gloves when handling valuable specimens.

  • Record note details (year, prefix, serial) for tracking.

  • Buy from trusted numismatic dealers to avoid counterfeits.

8. Where to Buy & Sell New Australian $100 Notes

  • Reserve Bank of Australia (RBA) – For circulation notes at face value.

  • Coin & Banknote Dealers – Specialize in collector-grade currency.

  • Auction Houses – For rare and high-value serial numbers.

  • Online Marketplaces – eBay, Facebook collector groups (ensure authenticity checks).

  • Currency Shows – Networking events for buyers, sellers, and enthusiasts.

Conclusion

The new Australian $100 note is more than just currency—it’s a reflection of the nation’s history, culture, and technological innovation. For collectors, these notes offer both aesthetic appeal and investment potential, especially with rare serial numbers and uncirculated grades.

By understanding the history, security features, and market trends, you can make informed decisions whether you’re holding onto these notes for passion or profit.

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