People Are Walking Around With $1 Bills That Are Worth Thousands. Here’s What To Look For

You’ve probably heard the saying, “a dollar saved is a dollar earned.” But sometimes, a single dollar bill could be worth far more than just face value—potentially hundreds or even thousands of dollars.

While most people think of coins when it comes to collectibles, paper money can also be highly valuable. Certain $1 bills are selling for well over $1,000, and the secret lies in their serial numbers.

Every U.S. dollar bill has an eight-digit serial number. In theory, all number combinations should be equally likely, but that’s not quite true. The Bureau of Engraving & Printing often removes unusual patterns, which makes the rare ones that slip through especially valuable.

Collectors look for special patterns such as Ladders (01234567) or Radars (where the first four digits mirror the last four, like 22211222). These are among the most recognized rare finds.

Even more unusual are Super Radars (23333332), Repeaters (01570157), and Super Repeaters (01010101). Each of these patterns is harder to come by, which increases their value.

Other prized variations include Radar Repeaters (12211221), Double Quads (00003333), Seven in a Row (11111115), Seven of a Kind (11115111), and Binary notes using only two digits, such as 11313111.

Before spending your cash, take a quick look at the serial numbers on your bills. If you spot any of these rare patterns, check sites like coolserialnumbers.com to see their worth. Even if you don’t collect bills, it might spark an interest in starting a collection of your own.