
The letter of each indicator matches the second letter of the serial number on the note. Capital letters following the series year appear when there is a significant change in the note's appearance. The series year indicates the year in which a new design was approved by the Secretary of the Treasury, or the year in which the signature of a new secretary or treasurer was incorporated into the design. The first letter of the serial number corresponds to the series year. 852 hz pure toneĪ unique combination of eleven numbers and letters appears twice on the front of the note. We Recommend.Learn about these note identifiers by clicking on the image below. Kind of gives the ad slogan, "What's in your wallet? Peter Mucha, Philly.

Anyone finding a fancy serial number has a variety of options. Even a dollar bill could be worth enough to pay some of those monthly bills. Your money may be worth more money than you think. He also has a "wanted" list of bills he's looking to buy. In addition to eBay, Undis says, "currency auction houses are also good, especially for the more valuable notes. The seller has already rejected five offers. Nonhistoric dates could also be valuable, like - if you can find someone with that birthday or anniversary.

Dates can also be collectible, such as andowned by one collector, the Globe notes. But, history aside, it's mostly about number patterns.

The key is the eight-digit serial number, and whether it seems 'fancy' or special to collectors. How to Identify Foreign Currency by Serial Numbers
