Indeed. Absent other evidence, that can never be excluded.

Just think about the underlying original records. I think that’s something always to be kept in mind with these large volume orders. I have letters referencing shipments of 1000. How would you like to be the guy in shipping having to record 1000 five- and six-digit serial numbers, almost certainly not in straight sequence, by hand? Were the numbers double-checked? Did anyone care enough back then? All hard to say.