Hi Ted,
I have seen a few in the 350 series but nothing like the 150's. I lost most
of my data when my computer died around a month ago but there are about
250 different scratches on 105 (could be more but I have to re-do the list)
of the 156 PD 150 subjects, some have multiple scratches in different locations on the same subject for instance Young (Bare Hand) has six different scratches).
Your red Cobb looks like purple ink from the star stamp and not a scratch
to me.
Patrick
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