Second Printing, 1957, 20F Blue

20f blue, for letter rate (changed on 7/1/57), in these formats:
  • Sheets of 100 with corner date, type I
  • Coils of 1000, type I
  • Type II, booklets w/ publicity
  • CP
  • CP, private
  • E, various private

 

Booklet of 20 with publicity, type I

 

Type II