Kansas City 2$ star bill. Stars the end of a serial number on U.S. currency indicates it is a Star Note, which is a replacement bill used for bank notes that were damaged, misprinted, or found to have errors during the production process. These are often collected, especially if they belong to low-volume print runs, as they are scarcer than standard bills. Along with the star it is a Uncirculated low serial number and low production run bill. The green seal is off center also.