Found this one a real toughie! Stuck on :
11ac:A metal coin oddly buried by Scotsman(7)
17ac: Noun I'm on about- also short noun phrases (8) (Nominals? but if so,why?!)
6dn: Primitive old lady in news, not a complete success (6,3)
Is 11dn Caramelised please?
Many thanks in anticipation!