Gambling token (4)
I believe the answer is:
chip
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gambling token</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for chip that I've seen before include "Deep-fried potato slice" , "Piece of potato (on a resentful person's shoulder?)" , "High ball" , "Fragment; counter" , "Golf shot; item of fried food" .)