Perfect surface texture (6)

I believe the answer is:

finish

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Here is my best explanation:

I believe this is a triple definition!

'perfect' is the first definition.
(thesaurus)

'surface' is the second definition.
(I've seen this before)

'texture' is the third definition.
(thesaurus)

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This clue was last seen in The Telegraph

(Other definitions for finish that I've seen before include "Polish - polish off", "surface texture", "completion", "perfection", "Deal with", "train socially", "Texture", "Bring to an close", "Culminate" and "social refinement".)

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