Trailing zeroesĪny serial number that ends in a double zero is known as a trailing zero, such as 44444400. Getty Images | Dan Kitwood Double quad numbersĭouble Quad numbers are four repeating numbers followed by another set of four repeating numbers. So, something like 12345678 or 987654321 would be examples of ladder numbers. Every number is either one lower or one higher than the previous digit. Think of ladder numbers like a sequential pattern. Confused? Numbers like 10000011110 are examples of radar numbers and sought after serial numbers of $1 bills. Super radar numbersĪ super radar number takes the typical radar serial number and bumps it up a notch!Ī super radar number is a radar number with all the same interior six digits. The number 02233220 is a radar number because no matter which way you read it, it’s the same. You know, words that read the same forwards and backwards - like the word radar! What the heck is a “radar” number? It’s the numerical version of a palindrome. Photo by Sharon McCutcheon on Unsplash Radar numbers We all love order, right? So repeating numbers like 898989898 (or other variations of repeating values) stand out to collectors for sure! Numbers like 33363333 (see the seven 3’s there?) are considered special! Numbers that super repeat

If you see something like 17777777, or 65555555, then you may have something of value! Seven numbers of the same kind (in no particular order) With over 90 different combinations of serial numbers listed, what they’re really looking for is an unusual number pattern or specific sequencing of the numbers.įor example, here are few of the things is looking for on $1 bills: Seven repeating numbers in a row The website has created a list of the most sought-after $1 bills, and it’s a fairly long list. RELATED: If You Have Any Of These Items, They Could Be Worth A Lot Of Money Which $1 Bills Should You Be Looking For? While most people are familiar with antique coins being worth more than their face value, the same goes for $1 bills with specific serial numbers. You could have one already in your possession! So, OK, we’re not talking millions - but hundreds is better than nothing, right?

There are $1 bills currently in circulation that may be worth hundreds, potentially even thousands of dollars, and it all comes down to the serial number printed on the bill. But would you believe that you could have the equivalent of a winning lottery ticket stashed in your wallet right now? It may sound too good to be true, but it’s not! As you may have heard, there’s a Mickey Mantle rookie baseball card that’s expected to fetch more than $3 million at auction this spring.Įven those with no experience in collecting know that old, mint-condition (as the Mantle card supposedly is) baseball cards can sell for serious dough.

Dollar bill serial number lookup 666