A spectacular error that was not caught by the issuer.
A piece with two different serial numbers on the reverse—interestingly, one of them matches the numbering of a London A 13 counterfeit...
Most likely the result of a jam in the numbering mechanism.
The banknote is accompanied by a PMG certificate with a PMG 58 grade.
A natural piece.
A rare and spectacular item that features a critical error from the issuer’s perspective.
