SPECIAL SERIAL NUMBERS...

Special serial number banknotes are scarce, historically significant, and have proven ROI. From star replacements to radar and ladder numbers, they offer collectors a tangible link to rarity and printing anomalies — making them one of the most actively appreciating segments of the numismatic market.

• Printed as replacements for damaged notes.
   
• Investment Grade: UNC
   
• Top Picks:
   
  • 1966 $10 ZSD ★ (Last Prefix) → $5,000+
     
  • 1967 $1 ZAA ★ → $800+
     

• Represent first issued notes in a signature change.
   
• Low print figures + demand = strong premiums
   
• Top Picks:
   
  • 1966 $1 AAA Coombs/Wilson → $400–$600
     
  • 1989 $10 FAA Fraser/Higgins → $800+
     

• Final issued serials of discontinued paper notes.
   
• Highly collectible for full signature sets.
   
• Top Picks:
   
  • $1 ZLD Johnston/Fraser → $300
     
  • $20 XUN Fraser/Cole → $1,000+
     

• Numbers like 1234321, 777777, or 010101.
   
• Pure collector psychology drives strong pricing.
   
• Top Picks:
   
  • $2 Radar note → $1,500
     
  • $10 Solid → $4,000+
     

• Mismatched digits or print anomalies.
   
• Super rare — blue-chip in banknote investing.
   
• Top Picks:
   
  • 1985 $10 mismatched serial → $12,000+
     
  • Misaligned prefix → $5,000+

Starter$2,000–$5,000 Star notes, Radars, First Prefix 30–50% 

Growth $5,000–$15,000 Solid/Repeater notes, Graded Stars 50–80%

Premium 15,000+Graded Errors, High-Value Stars 80–120% 

Special serial banknotes represent the intersection of rarity and design, offering low-risk, high-potential returns. As Australia's paper decimal notes age, demand for these anomalies only rises.

Now is the time to secure investment-grade special serials before scarcity drives prices further.

(Excludes polymer notes from 1992 onward)

• Issued: 1966–1972 only
   
• Feature: A star (★) replaces the last digit in the serial, used when notes were damaged during production.
   
• Scarcity: Very rare; low print runs
   
• Example: ZSD 16313★ on 1966 $10
   
• Value Estimates (UNC)
   
  • $1: $500–$1,500
     
  • $5: $1,200–$2,500
     
  • $10: $2,000–$6,000+
     
  • $20/$50: $4,000–$12,000 (extremely rare if found)
     
  • Last Prefix Star: Add 20–30%
     

• Definition: First serial prefix used for a new signature or series.
   
• Example: AAA for $1 Coombs/Wilson 1966
   
• Value Estimates (UNC)
   
  • $1–$10: $200–$600
     
  • $20–$50: $600–$1,200+
    
     

• Definition: Final prefix issued before discontinuation or change in series.
   
• Collectability: Often lower print runs.
   
• Example: ZLD on $1 Johnston/Fraser
   
• Value Estimates (UNC)
   
  • $1–$10: $150–$500
     
  • $20–$50: $500–$1,500
     
  • Notes with short-lived signature combos fetch higher prices
  • 
     

• Radar: Reads the same forward/backward (e.g., 1234321)
   
• Repeater: Repeats same digit sets (e.g., 232323)
   
• Scarcity: Only a small portion per print run
   
• Value Estimates (UNC)
   
  • Standard Denominations: Add 50–100%
     
  • Rare sequences (e.g., 0000001, 1234567): $1,000–$5,000+ depending on denomination
  • 
     

• Solid: All digits the same (e.g., 777777)
   
• Ladder: Sequential run (e.g., 123456)
   
• Value Estimates (UNC)
   
  • Solid: $2,000–$4,000+ (lower for high denominations)
     
  • Ladder: $1,000–$3,500+
     

• Includes: Digit mismatch between top/bottom serials
   
• Rarity: Extremely rare and highly sought-after
   
• Value Estimates:
   
  • Any denomination: $5,000–$20,000+ (dependent on clarity and denomination)

• 1966 $10 ZSD★ (Last Prefix Star) → $4,500–$6,000
   
• 1966 $1 AAA Coombs/Wilson (First Prefix) → $400–$600
   
• $2 Radar Repeater (e.g., 2323232) → $1,000–$2,000
   
• Any Solid Number Note (e.g., 666666) → $2,500–$4,500
   
• Mismatched Serial Note → $8,000–$15,000+ depending on clarity

Special serial banknotes are a low-supply, high-demand niche — ideal for short- and long-term portfolio growth. Add rarity to your collection or portfolio today.