Related Clues:
- Pass letter opener
- Formal salutation
- Respectful titles
- Business letter opening
- Round Table members
- 'Dear ___:'
- Knights and others
- Mil. mail centers
- Lancelot and Mix-a-Lot
- Dubbed ones
- Common blood type: Abbr
- Gentlemen in states of agitation when losing time
- Camelot restroom sign?
- Guinness and McCartney, e.g
- Quaint letter starter