Related Clues:
- Inbox stuff
- Mother not well missing little metallic dress of armour
- It may be registered or certified
- Postal letters
- Medieval museum exhibit
- Some airplane cargo
- Round Table array
- Armor of a sort
- Mail at a castle
- Armour of interlinked metal rings
- Mail, e.g
- With 97-Across, like many catalogues
- Plate mail, e.g
- Letters, catalogs, etc
- Knight-clothes?