Bill Bounty

Ladder Notes

Learn about the rarest sequential patterns in serial numbers.

3 min read

A ladder note is a currency bill with serial digits arranged in perfect sequential order, either ascending or descending.

U.S. one dollar Federal Reserve Note
A ladder note is a normal Federal Reserve Note in every way except one — its serial number counts perfectly up or down. Only two true ladders exist per denomination per district per series year, making them among the rarest notes ever circulated. Image: U.S. Bureau of Engraving and Printing / Wikimedia Commons (public domain)
Ascending Ladder
A12345678B
Each digit is exactly one higher than the last
Descending Ladder
A87654321B
Each digit is exactly one lower than the last
The two possible perfect ladder serials. Only one ascending and one descending ladder can exist per denomination, per Federal Reserve district, per series year — making these the rarest of all fancy serial types.

Perfect Ascending Ladder

All digits progress from lowest to highest, left to right:

  • 12345678

Perfect Descending Ladder

All digits progress from highest to lowest, left to right:

  • 87654321

Extraordinary Rarity

There are exactly two perfect ladder notes possible for every denomination, every series year, and every Federal Reserve district (one ascending, one descending). This makes ladder notes among the absolute rarest fancy serial categories.

In a denomination like the $1 bill with dozens of series years and 12 districts, only a handful of ascending ladders and a handful of descending ladders exist across the entire production history. A true ladder note in circulation would represent a once-in-a-lifetime find for most collectors.

Near-Ladder Notes

A near-ladder has seven of the eight digits in sequential order with one digit out of place. For example:

  • 12345768 (missing proper 7-8 sequence)
  • 12345879 (extra 9 added)

Near-ladders are considerably more common than perfect ladders (though still rare) and have developed their own following among collectors. PMG and PCGS recognize and label near-ladders separately from true ladders.

Collector Prestige

Owning a ladder note is considered one of the highest achievements in fancy serial collecting. The combination of extreme rarity and visual elegance makes them highly desirable. Many serious collectors never acquire a single true ladder in their entire collecting lifetime.

Valuation

Prices for true ladder notes are difficult to establish because they trade so rarely. When ladder notes do come to market, they typically command:

  • Circulated ladders: $1,000-$5,000+
  • Uncirculated ladders: $5,000-$10,000+
  • Professionally certified ladders: $10,000-$25,000+ (prices vary dramatically based on condition, denomination, and provenance)

Near-ladders are valued lower, typically $50-$500 depending on how close they are to a perfect sequence.

Ready to put this to use?

Bill Bounty hunts involve real circulating U.S. currency. Apply what you've learned to spot target bills in the wild.