University man receiving old writing implement still in wrapping (8)
I believe the answer is:
unopened
'still in wrapping' is the definition.
(something unwrapped has not yet been opened)
'university man receiving old writing implement' is the wordplay.
'university' becomes 'u' (abbreviation for university).
'man' becomes 'ned' ().
'receiving' is an insertion indicator.
'old' becomes 'o' (common abbreviation eg in OE for Old English).
'writing implement' becomes 'pen' (pen is a kind of writing implement).
'o'+'pen'='open'
'ned' enclosing 'open' is 'nopened'.
'u'+'nopened'='UNOPENED'
(Other definitions for unopened that I've seen before include "barred" , "Having held onto seal" , "shut" , "Still closed" , "Still sealed as post may be" .)