Interesting Serial Numbers
People who collect banknotes have different criteria for their collections. Some collectors prefer to search for notes with an interesting serial number. Here is one example: this is known as a binary. As implied, a binary serial number is one consisting of two types of numbers. Although 01100101 is a true binary, a binary can also be a number like 11221112 or 22442442. The above example sold for $30 on the online auction site Ebay. Finding a cool and potentially valuable serial number is uncommon, but it's worth paying attention. (There's nothing to lose by just paying attention to the bills you receive.) Most of the time, serial numbers will be unremarkable (no use trying to find meaning in something as randomized as 35278231). If a serial number is truly distinctive, you will usually see it right away. Altogether, the most coveted serial numbers would be: -Low numbers (00000001 up to 00000009 being heavily desirable) -Solids (composed of one type of number; such as 888888