That is an excellent question! You have come to the right place because if proof markings exist on those variants you cited then there are definitely forum members here that can answer and possibly provide photos of those marks.
That is an excellent question! You have come to the right place because if proof markings exist on those variants you cited then there are definitely forum members here that can answer and possibly provide photos of those marks.Thank you for reply. I’ve never seen one. I wonder what kind of proof markings they used…