Olympic gold medals
... that Olympic gold medals have been made out of silver, jade, and glass?
... that <b id="mwBQA"><a href="./Olympic_medal" id="mwBQE" rel="mw:WikiLink" title="Olympic medal">Olympic gold medals</a></b> <i id="mwBQI">(example pictured)</i> have been made out of silver, jade, and glass?