[mc32]

There is something odd about this persons numbers. It’s the 80s and on occasion the number zero is written with a slash through it, but most of the time not. I’m not sure there was a prevalence to distinguish 0s from Os in type back then.

Maybe it was some one else later who wrote that.

[bluedemon]

It was not uncommon to draw a line through the zero to distinguish it from the letter ‘O’. Similarly, a slash was often added to the letter ‘Z’ to prevent confusion with the number 2.

On rare occassions, I still kind of do it.