Swiss currency (5)
I believe the answer is:
franc
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swiss currency</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for franc that I've seen before include "Ex-Gallic coin" , "Swiss capital" , "Foreign currency" , "Unit of money" , "Old European currency" .)