Pc780
 

Can anyone provide a value for these PC's (generally). I was contacted by someone writing a book or maybe a movie on Norman Paulson who was curious:

1950's PC 780-1 Norman M. Paulson matte finish
1960's PC 780-2-A Norman M. Paulson Litho National Press
1960's PC 780-2-B Norman M. Paulson Litho Norman M. Paulson

I can't even find my original reference material!