Inscribed tablet (6)
I believe the answer is:
plaque
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">inscribed tablet</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 plaque that I've seen before include "Memorial plate" , "Trophy" , "Memorial slab" , "Film on tooth" , "Thin film on teeth" .)