RareBillBirthday serial number
The serial reads as a calendar date in MMDDYYYY form: 03141999 is March 14, 1999. Worth little to the market and a great deal to the right person.
How rare is it? Exactly 146,097 of the 100,000,000 possible eight-digit serial numbers are birthday notes — about 1 in 684. That figure is counted, not estimated: every possible serial was run through the same engine the RareBill app uses.
How to spot one
Split the digits 2-2-4 and see whether it forms a real date. 13 or higher in the first pair rules it out.
Example: 03141999 —
check this one in the lookup.
What it is worth
The least valuable pattern in pure market terms — but the easiest to sell to one specific buyer, which is the whole point of a birthday note.
Condition matters as much as the pattern. A crisp uncirculated note can be worth many times the same serial in worn condition, which is why RareBill shows value ranges with links to current listings rather than a single number.
Where it sits
Among the sixteen patterns RareBill checks, birthday notes rank #14 by scarcity.
Only repeaters, high serials, binaries are rarer among the patterns RareBill checks.
Check a serial now
Type any serial into the free lookup and it will tell you every pattern it matches, instantly, in your browser.