This is an envelope, or a device in which you place mostly paper documents to mail them through a postal service.

Envelope

This is an envelope, or a device in which you place mostly paper documents to mail them through a postal…

A decorative border of envelopes, letters, and inkwells with four windows and banners for captions.

Letter and Ink Border

A decorative border of envelopes, letters, and inkwells with four windows and banners for captions.