Cheat and pack instrument (4-5)

I believe the answer is:

cardsharp

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(Other definitions for cardsharp that I've seen before include "Swindler in game" , "One who cheats with a pack" , "One cheating at, eg, poker" , "Cheater at, eg, poker" , "Dodgy dealer" .)

I've seen this clue in The Telegraph.

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