Pence's 'thing'? Just a little bit (8)

I believe the answer is:

particle

'just a little bit' is the definition.

'pence's 'thing'?' is the wordplay.
'pence' becomes 'p'.
''thing'?' becomes 'article' (I've seen this before).
'p'+'article'='PARTICLE'

(Other definitions for particle that I've seen before include "Molecule" , "Crumb" , "Minute fragment" , "Minute portion" , "Speck of matter" .)

I've seen this clue in The Guardian.

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