The so-called <b><a href="//commons.wikimedia.org/wiki/Conca_di_Viarenna" class="mw-redirect" title="Conca di Viarenna">Conca di Viarenna</a></b> (Viarenna bassin) in <a href="//commons.wikimedia.org/wiki/Milan" class="mw-redirect" title="Milan">Milan</a>, Italy. A 1497 latin plaque bearing the text of a decree exempting from taxation all boats carrying from <a href="//commons.wikimedia.org/wiki/Lake_Maggiore" class="mw-redirect" title="Lake Maggiore">Lake Maggiore</a> the marble to build the <a href="//commons.wikimedia.org/wiki/Duomo_di_Milano" class="mw-redirect" title="Duomo di Milano">Cathedral</a>. The plaque is carved in the delicately rosy marble of <a href="//commons.wikimedia.org/w/index.php?title=Candoglia&amp;action=edit&amp;redlink=1" class="new" title="Candoglia (page does not exist)">Candoglia</a>, reserved to the Cathedral alone. Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>, July 24 2007.
<a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">G.dallorto</a>
Attribution
Self-published work by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">G.dallorto</a>