jamesw
29 Aug 2013
10:32:52pm | I've posted this on another forum, but have received no responses. So I'll show it here too and compare notes.
I was looking over some Nova Scotias last night. I have what I think is a rather nice MNH #8. I noticed, looking at the back a row of bumps running top to bottom.
Don't think it is a stitch watermark. Any images I've seen of those show a row of lines. These are circles, and pretty well correspond to the perforations nearby.
Someone started running it through the perfing machine and changed their mind?
See what you think.
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TheBlueDude
To error is human -to really fowl things up takes a computer
30 Aug 2013
08:29:02pm | re: Nova Scotia #8 with misperfs - almost
I would call it - Blind perforation - intended performations that are only lightly impressed by the perforating pins, often the product of a badly adjusted perforating machine or worn or missing pins or misaligned stamp sheets
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