In modern bank note printing, each standard numbering prefix consists of exactly one million notes (from 000001 to 1000000). The rare milestone million number notes are exceptionally difficult to find in circulation, making them prized centerpieces in fancy serial collections.
Related Elite Fancy Number Types
- Solid Serial Numbers: Notes where all six digits are identical (e.g. 111111, 888888).
- Radar / Palindrome Notes: Numbers reading identically both ways (e.g. 123321).
- Binary Notes: Serials composed of only two unique digits (e.g. 101010, 787878).
- Ladder Notes: True ascending or descending sequences (e.g. 123456 or 654321).