Possible Clues:

• One aged 80 to 89
• New coronation age deprived of old Queen? She is such a one
• Old man's gone with raincoat undone
• Go into care managed by an oldie
• Officer got back from Spain to Iran revolution with article - he must be nearly up to ninety!
• Old person’s gone off with raincoat
• Person in their eighties
• Gain a coronet, perhaps, like Augustus John in last years