Possible Clues:

• Noble sort
• Noble way to enter a city
• Oscar is tough at heart, but one of the best
• Posh bloke is a Tory bastard? Not unknown
• Noble is tense, saving nothing for later
• For example, lady is filling box having discarded wrapping
• Friar is told to trim borders for toff
• Could be one familiar with Eton collar is toffee-nosed? To an extent
• British upper-cruster, for short
• Sydney Carton saved one