Reused barcode does not mean counterfeit.
> Attempted reuse is exactly what would be prevented by scanning the barcode and seeing it had already been used.
Sure, but the alleged crime here is not attempted reuse. It is counterfeiting - as shown in the pic of the Royal Mail fee request label.
And the fact it did not tick the reuse box suggests it does not.
Reused barcode does not mean counterfeit.
> Attempted reuse is exactly what would be prevented by scanning the barcode and seeing it had already been used.
Sure, but the alleged crime here is not attempted reuse. It is counterfeiting - as shown in the pic of the Royal Mail fee request label.