Money for some tobacco (4)
I believe the answer is:
quid
This clue is a double definition.
'money' is the first definition.
'some tobacco' is the second definition.
(I've seen this before)
'for' is the link.
(Other definitions for quid that I've seen before include "Pound (sl.)" , "plug?" , "PS (sl.)" , "that's chewed" , "Pound (colloq.)" .)