OK, through 280 1964 1-cent PL done! Found 9 matte. So this is the final updated statistics:
( Note: not including those lightly matte OR only one side of reverse and obverse matte )
1963 1-cent Proof Like: 2 matte out of 270
1964 1-cent Proof Like: 10 matte out of 380
1965 1-cent Proof Like: 20 matte out of 600
1966 1-cent Proof Like: 5 matte out of 100
1967 1-cent Proof Like: 1 matte out of 50
Picasa web album updated, please feel free to check via click the following link:https://picasaweb.google.com/117515...t=directlink
For now, the 1963 1-cent PL Matte is the winner of rarest!
If any found rate post here, I'll update the above list. Thanks everyone!
Seriously, my eye need a rest!