Not right at all. It is quite common to find lines in the fields only with harshly cleaned coins. What you are saying is usually true for die...
Nahhhh - he just knows how to use his eyes. It's much like being able to look at a group of say 50 coins and pick out the winner in 3 to 5...
OK, OK - so it was Toad. Is there any difference ? :D
I have spreadsheets built for some coins, but not many. And none of them go back that far.
As long as the Air-Tites fit in those 2x2's - should be fine.
It will vary greatly with the grade. Can you be more specific ?
Separate names with a comma.