Ancient artefact (5)
I believe the answer is:
relic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ancient artefact</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 relic that I've seen before include "Hangover from an earlier time" , "Object of historical interest" , "E,g. dead saint's bone" , "Surviving ancient custom" , "bit of old religious tradition" .)