A serial number like 25722752 would be on a radar bill. Radar (palindromic) serial numbers come from the fact that the word radar is a palindrome which reads the same frontwards and backward. Radar, super radar, and radar repeater serial numbers The odds of getting a repeater are about ten thousand to one, and about a million to one for a super repeater. If there are four of one two-digit number, like 58585858, that's a super repeater serial number. The first four digits are the same as the last four. An example of a repeater fancy serial number from my collection. Repeater serial numbers have the first four digits and the second four digits the same. Repeater or super repeater serial numbers An example of a solid serial number from my collection.

The odds of getting a pure solid bill are about 11 million to one (there is no 00000000 bill). It's a little over a million to one for 7/8 near-solid bills like this one.Ī solid serial number is a serial number with just one digit like 77777777. Near-solid serial numbers have most, but not all, of the same digit, like 44434444. The odds of getting a serial number within the first or last 100 is about a million to one. They're special because they're near the beginning or end of a series. Low or high serial numbers are numbers that are close to zero like 00000014, or near the top like 99999934. Nonetheless, the following kinds of numbers are generally considered fancy: Low or high serial numbers To some extent, the fanciness of a serial number can be enhanced by a good story or a creative observation of what the number means. We came close to getting a radar bill (described below) but did find several birthday bills and three-of-a-kind bills. All serial numbers are unique (or should be!)Ī few weeks ago, my daughter and I went through about $300 worth of $1 bills looking for fancy serial numbers.

What makes a serial number “fancy?” Being one-of-a-kind isn't enough, obviously. Fancy serial numbers are (literally) a numbers game While many currency errors are found by the Bureau of Engraving and Printing employees before they ever see the light of day, every bill should have a serial number. Another way (that might be easier) is by finding cool serial numbers - serial numbers that are special in some way. There are lots of opportunities to cash in on your cash.įinding currency errors is one way.

Rare dollar bill serial number lookup