Related Clues:

• Letter addressees
• Paul McCartney title
• Mr. Whoever-You-Are
• Officer's address
• Headmaster's title
• Title for Elton John
• Old letter opener
• General address?
• Knight address
• No longer common letter opener
• Singer John's title
• Letter starter
• Term of respect
• "Hey, Mister!"
• Business salutation, sometimes