Column of the Alberti Tower (Torre degli Alberti) in <a href="//commons.wikimedia.org/wiki/Florence" class="mw-redirect" title="Florence">Florence</a>, with the coat of arms (chains) of the <a href="//commons.wikimedia.org/w/index.php?title=House_of_Alberti&amp;action=edit&amp;redlink=1" class="new" title="House of Alberti (page does not exist)">House of Alberti</a>.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Sailko" title="User:Sailko">Sailko</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).