Former currency (6)
I believe the answer is:
peseta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">former 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 peseta that I've seen before include "Former Spanish monetary unit" , "Coin from the sea pet" , "Pre-Euro Spanish currency" , "Out of date bread" , "currency being superseded" .)