To the best of my knowledge, these could be what are called 'doctor blades' that are produced when a plate is being repaired. This is the first I have seen from this set of Bermuda with so many uniform lines.
At first thought, I was thinking of 'hair lines' but these are too straight as hair lines are usually wavy (?)
It is probably what you say "doctor blades" because "hair lines" are not like that (i think...). Lines are very straight as you can see on this picture :
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Posted 12/24/2011 08:27 am
