Gold or silver in bulk (7)
I believe the answer is:
bullion
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gold or silver in bulk</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 bullion that I've seen before include "Gold or silver in bulk" , "Precious metal in mass" , "Bars of precious metal" , "Gold or silver in bars or ingots" , "expensive bars" .)