Rogue cop seen in Christmas décor (4,5)

I believe the answer is:

pine cones

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'rogue cop seen in christmas decor' is the definition.
I can't tell whether this defines the answer.

'rogue cop seen in' is the wordplay.
'rogue' indicates an anagram (letters go rogue).
'cop'+'seen'+'in'='copseenin'
'copseenin' with letters rearranged gives 'PINE-CONES'.

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I've seen this clue in The Guardian.

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