Your $20 bill could be worth as much as $2,000 — the exact “suffix” detail to look for

A bill that appeared to have been pulled from someone’s wallet sold for $1,920 due to a common mistake.

Paying with cash seems to be a thing of the past with the advent of contactless shopping. If you still have some $20 bills lying around, you might want to give them a second look.

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Just like rare coins, there are also rare bills. These bills can have many different flaws, which are usually a little easier to spot than the smaller flaws that appear on coins.

TikToker treasure town shared a $20 example with a simple error that sold for nearly $2,000.

The bill in the displayed tick tock has mismatched suffixes on the serial number. The left one ends with a “D”, the right one with an “F”.

These letters are the same on error-free invoices.

This simple adjustment netted the seller $1,920 in September of that year.

According to the post of Heritage Auctionsit is extremely rare to find this error on a $20 bill as this is the second they have ever had in their collection.

Spotting the error on $1 bills is much more common, and they typically sell for around $2,000.

Bills to watch out for

Single $1 bills contain some of the most valuable flaws of any bill.

One of these bills from 2013 has two important elements to look out for.

The serial number should end with a “B” followed by an asterisk.

This is known as a duplicate serial number error with an asterisk.

These are marks used by the Bureau of Engraving and Printing to replace misprinted and damaged currency before it is put into circulation.

Example of a matching pair set certified by the Paper Money Guaranty grading service sold for a total of $4,504 in a November auction.

58 bids were received and two bills were respectably graded 30 and 67 (the highest possible grade for a dollar bill is 70).

A similar Star Note sold for $29,900 in 2008, despite obvious signs of wear.

When it comes to dollar bills, serial numbers are often the value.

This is especially true for repeating digits.

For example, $1 bills sold for $6,120 because it contained only 5s in the serial number.

If you have spare change, there is a nickel with a small flaw that makes it worth more than $20,000 and you should watch out for that.

And one tiny detail on your dime could make it worth nearly $50,000.