Related Clues:

• Letter heading abbr
• Not a st. or blvd
• Memo heading abbr
• Abbr. often capitalized on envelopes
• '___ Maria' (hymn)
• Bus. letter abbr
• Philadelphia's Allegheny or Aramingo: Abbr
• Yellowcard's on an "Ocean" one (abbr.)
• Kentucky or Indiana on a Monopoly board: Abbr
• 'Hail, Nero!'
• "Hail!" long ago
• Caesar's 'hail'
• Billy Bragg and Wilco collaborated on a "Mermaid" one (abbr.)
• "Hail!" of old Rome
• Mail routing abbr