Related Clues:

• Letters in boxes?
• Post or body armour
• American post
• Daily or weekly publication
• Post in America
• Publication on folded sheets
• Post from Lima
• Daily or weekly publication, keeps us abreast
• It can be made from wood pulp
• Publication
• It's made from wood pulp generally
• American post from Lima
• Do a thousand get sick of being enveloped?
• Does he come back with the letters like this?
• The sort of protection letters can give one