Calais
... that Calais came to be called the "brightest jewel in the English crown" owing to its great importance as the gateway for the tin, lead, cloth and wool trades?
... that <b id="mwCNQ"><a href="./Calais" id="mwCNU" rel="mw:WikiLink" title="Calais">Calais</a></b> came to be called the "brightest jewel in the English crown" owing to its great importance as the gateway for the <a href="./Tin" id="mwCNY" rel="mw:WikiLink" title="Tin">tin</a>, <a href="./Lead" id="mwCNc" rel="mw:WikiLink" title="Lead">lead</a>, <a class="mw-redirect" href="./Cloth" id="mwCNg" rel="mw:WikiLink" title="Cloth">cloth</a> and <a href="./Wool" id="mwCNk" rel="mw:WikiLink" title="Wool">wool</a> trades?