C and Z fold reply envelope
C-fold return postcard mailer
Carbonless self-mailer
Cardboard pocket pack with a concealed tamperproof seal
Carrier sheet assembly including continuously overlapped envelop
Carrier sheet business form assembly
Carrier sheet with envelope letter sheet device secured thereto
Certified mail envelope
Certified mailer
Certified mailer envelope assembly
Closure system
Cohesive pattern for a continuous Z-fold mailer with reply envel
Collapsible enclosure having foldable side flaps and a non-folda
Combination advertising, coin and receipt holding envelope
Combination envelope and greeting card
Combination mailing apparatus
Combination mailing envelope and file folder
Combination paper and envelopes formed on a continuous paper web
Combination photographic negative and proof holder
Combination sealing and opening strip for packages