Related Clues:

• A sure sign that some letters are missing
• It's mark of ownership
• Sign of letter dropped in the post, or a dodgy 'p' for 't'
• Guardian's printers use this, perhaps too loosely
• To a shopper, oddly enough, it may indicate possession
• Frequently unwarranted intruder presenting a job for the right workman?
• Mark showing omission of letters
• Often misplaced punctuation mark
• Mark indicates that letters are missing
• Sign of omission
• Mark's rhetorical digression
• Feature of mason's mark
• Passage addressed to character in Charley's Aunt ?
• Mark, perhaps, too disorderly
• Where character may be absent, misplaced too perhaps?