Sixty proof sheets of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/United_States_Constitution" id="mwMg" rel="mw:WikiLink" title="United States Constitution">Constitution of the United States</a> are delivered to the <a href="https://en.wikipedia.org/wiki/Constitutional_Convention_(United_States)" id="mwMw" rel="mw:WikiLink" title="Constitutional Convention (United States)">Constitutional Convention</a> in <a href="https://en.wikipedia.org/wiki/Philadelphia" id="mwNA" rel="mw:WikiLink" title="Philadelphia">Philadelphia, Pennsylvania</a>.