Cannone da 47/32 Mod.39.
László Nyáry (<a class="external free" href="https://en.wikipedia.org/w/index.php?title=User:LaszloNyary">http://en.wikipedia.org/w/index.php?title=User:LaszloNyary</a>)
Uploaded to the english wikipedia on 11 June 2006.
<a class="external free" href="https://en.wikipedia.org/wiki/Image:20mm-Breda-gun-%281%29.jpg">http://en.wikipedia.org/wiki/Image:20mm-Breda-gun-%281%29.jpg</a>