Open high cover (2-5)

I believe the answer is:

up-front

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'open' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'high cover' is the wordplay.
'high' becomes 'up' (associated in meaning).
'cover' becomes 'front' (both can mean a deceptive facade).
'up'+'front'='UP-FRONT'

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I've seen this clue in the Sydney Morning Herald.

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