Related Clues:

• Head for London or Edinburgh, say — this may be A1 sign
• I may be seen as one fantastic landlord?
• B, for one
• Initial communication from Tashkent?
• I, for example, making excellent landlord
• Starts sentence for one of the crimes at the post office
• Initial correspondence from London, perhaps
• Upper-case character
• A or B (2 words)
• What a crossword clue typically starts with
• *Big character?
• Item in a Washington post office?
• Sentence starter, usually
• Dublin landlord appears after a period in America