Type of print (7)
I believe the answer is:
etching
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">type of print</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 etching that I've seen before include "Engraved design" , "Deep print" , "Eating away; corroding" , "Form of engraving" , "graven image" .)