Related Clues:

• Abbr. at the bottom of a letter
• Postal letters?
• Envelope abbr.
• Memo starter
• Memo letters
• Memo starter: Abbr.
• Letter letters
• Memo abbr.
• 'Now hear this!': Abbr.
• Letter accompanier: Abbr.
• Env. stuffer
• Abbr. that often precedes a colon
• A check, one might hope: Abbr.
• Address abbr.
• Abbr. at the bottom of a business letter