Thank you Jumbuck .I did have stroke but ditched it because for 1d I have Propolis which is where the O comes from .
Any thoughts on 1D ?
Bond with terminal value -mine receives special boost (8)
I now have P?S?O?I? (pistonic ) ??
I usually whizz through this but these last two clues have driven me nuts !
"a bond given by a borrower pledging to pay a debt upon the death of a specified person from whom the borrower expects to inherit money" from http://www.yourdictionary.com/post-obit