That last pic is great Ron. It sure does look polar bear(ish) and pretty much proves it’s not piedmont blue.
Now I am no expert (not even close) at when certain backs are issued, so this is a genuine question - were polar bears printed with the same subjects as old mill? Does it matter? I guess my question is, as Ted suggested with Piedmont, is it plausible, based on print groups, that they could have run polar bears and then switched over to old mills without changing ink?
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