Bottle: some Pilsener verified (5)

I believe the answer is:

nerve

'bottle' is the definition.
(both can mean courage)

'some pilsener verified' is the wordplay.
'some' indicates the answer is hidden within the clue (some of the parts of the word are used).
'NERVE' is hidden within 'pilsener verified'.

(Other definitions for nerve that I've seen before include "Sensation transmitter" , "Courage, like bodily fibre" , "Impudence (colloq.)" , "Body fibre conveying sensations to brain" , "Spunk" .)

I've seen this clue in The Times.

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