Related Clues:

• Envelope's routing abbr
• Envelope insert: Abbr
• Wedding RSVP card, e.g
• 'This is for,' on an env
• Interoffice email abbr
• Abbr. to begin a business letter
• Britannica, e.g.: Abbr
• Multi-vol. reference
• Package abbr
• Bottom-of-letter letters
• RSVP card, e.g
• Directional abbr
• ''This is for,'' on an envelope
• Abbr. on a cover sheet
• Fax cover sheet abbr