proof sheet
postcontact
postage stamp
telephone book
telewriter
calling card
mail-in
dupe
indicia
fascicule
correspondence
unknown number
letterheaded
interlocking
mesh
handprinted
polygraph
telephone message
phone message
engagement
meshing
Woodburytype
Addressograph
addressing machine
mailgram
contact tracer
collect call
card
tickey box
pencil pushing
jingle
chain email
rond-de-cuir
pencilled
postman's knock
mailing
carbon copy
mailpiece
call-in
typogravure
bullseye
contact person
intercontact
telecheck
ringer equivalence number
pentacle
e-postcard
drypoint
letterhead
telemessage