There are only nine possible solid serial numbers on a US 8-digit note — 11111111 through 99999999. Each is extraordinarily rare and commands a substantial premium. But not all solid notes are equal.
Solid Serial Values by Number
| Serial | $1 Bill | $100 Bill | Notes |
|---|---|---|---|
| 11111111 | $500-$1,200 | $2,000-$5,000 | Strong demand |
| 22222222-66666666 | $350-$900 | $1,400-$4,000 | Good demand |
| 77777777 | $500-$1,200 | $2,000-$5,000 | Lucky number |
| 88888888 | $800-$2,500 | $3,000-$10,000+ | Highest demand globally |
| 99999999 | $500-$1,200 | $2,000-$5,000 | Strong demand |
Why 88888888 Commands the Highest Premium
The number 8 is considered extremely auspicious in Chinese culture — it sounds similar to the word for prosperity. This cross-market demand from Asian collectors and investors consistently pushes 88888888 prices above any other solid serial.
Condition Premium
An uncirculated solid note can sell for 3 to 5 times a worn circulated example. Handle by edges only, sleeve immediately, and consider PMG grading for any solid worth over $300.
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Frequently Asked Questions
Which solid serial is most valuable?
88888888 is generally the most valuable due to strong demand from Chinese collectors for whom 8 is extremely lucky.
Are all solid serials worth the same?
No. 88888888 and 77777777 command the highest premiums. Condition and denomination also significantly affect value.
Should I get my solid note graded?
Almost certainly yes for notes worth over $200. PMG grading can increase sale price by 50-200%.
Where do solid notes sell for the most?
Heritage Auctions achieves the highest prices for top-tier solid notes.