Here's a specific $1 bill that might actually be worth thousands of dollars

Many people do not realize that their money may be worth more than they think, especially if the eight-digit serial number on the bill happens to be a “fancy” one.

Collectors are ready to pay big money to anyone who is in possession of a unique serial number.

A person will probably make the most profit off a $1 bill if it has an unusual number on it. According to The Penny Hoarder, many bills in circulation could be worth hundreds, and even thousands of dollars.

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All one has to do is look at the serial number printed on the bill. The website CoolSerialNumbers.com has a long list of the most sought-after $1 notes.

It is an exhaustive list of all the different notes that collectors are willing to shell out large sums of money. The site also allows fans to get in touch with one another.

There are no less than 90 combinations of serial numbers listed on the website. Collectors will be interested in an unusual number pattern or a specific sequence.

If there are seven repeating digits in a row, you certainly have something of value. The numbers could be 17777777 or 65555555 on $1 Federal Reserve notes.

Even seven numbers of the same kind, in no particular order also command a considerable value. It could also be super repeaters on $1 notes such as 898989898 or any other variations of repeating value.

Another hot favorite among collectors are the radar numbers. These are the numerical variations of a palindrome, words that read the same backward and forwards.

A serial such as 02233220 is considered a radar number as it reads the same way from either side.

There are also super radar numbers which have the same interior six digits such as 10000001 and 011111110.

The ladder numbers can fetch a person huge sums of money. In this sequence, every number is either lower or higher than the previous digit, for instance, 12345678 or 98765432.

Another unique sequence is the double-quad numbers which consist of four repeating numbers followed by another set of four repeating digits. A series like 44440000 or 11110000 is an example of this kind.

Nashville musician and currency collector, Dave Undis, has brought together like-minded people with his project CoolSerialNumbers.com. People with a little interest in the history of money or a given denomination are after such “fancy” serial numbers.

It is surprising how much these bills are of value. A $1 bill with the serial number 00000002 was listed for $2,500, while another $5 bill went for $13,000.

The high demand for such notes will make people look at their $1 bill for unique patterns in the serial numbers.