Bills with flipper serial numbers can be valuable. Continue reading to learn more about these bills.
What Is a Flipper Serial Number?
A flipper serial number contains the same number when flipped upside down. For example, 99996666 or 00669900. True flipper serial numbers contain the correct sequence of 6s and 9s. Zeroes can also be included. These numbers are relatively rare, and bills with flipper serial numbers can sell for a premium above face value.
Some people include the digits 8 and 1 as part of flipper serial numbers. However these digits do not look exactly the same when flipped upside down.
Value
Most flipper serial number bills in circulated condition are worth close to face value. Bills in uncirculated condition can sell for a premium.
Flipper serial number bills in uncirculated condition are worth over $250.
See also:
Bookend Serial Number Repeater Serial Number Trinary Serial Number