Lucky bill!  Circulated but in good shape.

What makes this serial number special ?

77757776 contains a 6-of-a-kind. Only 0.023% of 8-digit numbers have this combination.

77757776 contains 2 triples together. Only 0.051% of 8-digit numbers have this combination.

77757776 has 3 unique digits. In 0.71% of 8-digit numbers, there are 3 or fewer unique digits.