I'm amazed at how far this has been taken. And really glad someone has picked it up. Making any serious dent in the monster has and will take the effort of lots of people. Not just to put together the data, but even just reporting one new find.
I'm also amazed it's been taken this far so quickly. Plating stamps took the guys that did it nearly their entire collecting lifetime, and that's with known plate sizes and blocks or strips readily available.
I'm also glad Pat has been linking front flaws with particular portions of the scratches. That's the next big step since that will lead to figuring out how many were in a column. And how many different sheets there were.
Steve B
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