Beauty mark (4)
I believe the answer is:
'beauty mark' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for mole that I've seen before include "Adrian ---, fancies Pandora; lurking spy" , "A spy within an organisation" , "Small burrowing animal" , "Subterranean mammal" , "Small pigmented spot on the skin" .)