Surface gloss (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">surface gloss</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 sheen that I've seen before include "Radiance" , "actor?" , "Superficial brightness" , "splendid clothing" , "Acting family" .)
(Other definitions for veneer that I've seen before include "Thin layer of wood or plastic" , "Thin covering on top, as of wood" , "Capital of Kenya" , "Misleading external appearance" , "Thin covering on the outside" .)