Because I work in radio and poor as the proverbial church mouse, there are certain monetary denominations I rarely see, such as the $100 bill. But the next time I see one I'll be on the lookout for certain serial numbers, because collectors on on the hunt for numbers like: 00000001.

The United States Treasury redesigned the $100 bill, which in short means it's celebration time for collectors. Certain numerical sequences are worth as much as $15,000. That's right! But it's not the only the sequence you need to look for.