Crossword Genius

Not all in bureau re-invested coins (5)

Ross

I believe the answer is:

aurei

'coins' is the definition.
(Roman coins)

'not all in bureau re-invested' is the wordplay.
'not all' indicates the answer is hidden within the clue.
'AUREI' is hidden in the letters of 'in bureau re invested'.

(Other definitions for aurei that I've seen before include "Ancient money" , "ancient gold coins" .)

I've seen this clue in The Guardian.
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