Wicked rogues pinching 500 dollars in Haiti (7)

I believe the answer is:

gourdes

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'dollars in haiti' is the definition.
The answer and definition can be both quantities as well as being plural nouns.
Perhaps there's a link between them I don't understand?

'wicked rogues pinching 500' is the wordplay.
'wicked' is an anagram indicator.
'pinching' means one lot of letters goes inside another (taking inside).
'500' becomes 'd' (Roman numeral for 500).
'rogues' with letters rearranged gives 'goures'.
'goures' enclosing 'd' is 'GOURDES'.

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I've seen this clue in The Guardian.

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