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IBM Model M Defective?

Posted: 22 Apr 2016, 08:39
by y11971alex
I was selling a Model M the other day, with a picture of the QC sticker posted on the listing.

A buyer asked me, why the "Card to Base" field was unsigned. I looked at the actual keyboard, and it indeed was blank.

Then I checked my Model F... Card to Base was signed.

Image

Does this make the M some sort of a defective product? I'm feeling a little wonky, since the buyer bought it anyway, with the signature unaccounted for.

Posted: 22 Apr 2016, 13:11
by shreebles
Is it possible that the ink faded over time?

Re: IBM Model M Defective?

Posted: 22 Apr 2016, 13:25
by chzel
Could the signature be the H looking scribble?

Posted: 22 Apr 2016, 16:02
by terrycherry
It's nothing important. See this thread first.
keyboards-f2/ibm-shop-date-t13443.html

Posted: 22 Apr 2016, 21:14
by y11971alex
chzel wrote: Could the signature be the H looking scribble?
That photo is actually one of the Model F XT. I don't have the photo of the M handy.