Possible Clues:

• Possession indicator
• Mark has a fresh hope — to restrict bad temper
• Sign of a contraction
• Character in 'Charlotte's Web'?
• Partly how one makes one's mark
• It's marked up in butcher's or baker's, for example
• Butchers notoriously miss this change of direction in address
• Perhaps too bad a mark
• Sort of speech perhaps too sloppy
• Mark redeployed as organisation's first prophet