Monopoly token replaced by a cat in 2013 (4)
I believe the answer is:
iron
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">monopoly token replaced by a cat in 2013</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for iron that I've seen before include "Smooth - driver?" , "See 14" , "Main element in steel" , "Heavy metal that rusts easily" , "Smooth (clothes)" .)