Former currency (7)
(Other definitions for guilder that I've seen before include "Former Dutch coin" , "Unit of money in Netherlands" , "old European money" , "Dutch florin" , "Former Dutch currency" .)
<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 all the clue.<br/ ></span>
(Other definitions for peseta that I've seen before include "once tender elsewhere" , "Domestic social" , "Obsolete coin" , "Old bit" , "Previous Spanish money unit" .)