Related Clues:

• Post of bodyguard
• Post providing protection for old warrior
• Sound man for the post
• Letters - armour
• Flexible armour
• Post — armour
• Dispatch — armour
• Business letter abbr
• Abbr. on the bottom of a business letter
• It's deposited in drops
• Something in an env
• Knightwear?
• Check within, say?: Abbr
• Inside, for short
• Word after e or G