Crossword Genius

Four score (6)

Ross

I believe the answer is:

eighty

'four score' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for eighty that I've seen before include "XXC" , "Cardinal" , "not many score" , "Around the World in - Days (Verne)" , "Number" .)

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