Objet d'art (5)
I believe the answer is:
curio
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">objet d'art</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 curio that I've seen before include "Oddity, rarity" , "odd thing" , "Unusual, intriguing object" , "Intriguing object worth collecting" , "Antique" .)