Italian <a href="https://en.wikipedia.org/wiki/Piaggio_P.50" class="extiw" title="en:Piaggio P.50">Piaggio P.50-I</a> heavy <a href="https://en.wikipedia.org/wiki/bomber" class="extiw" title="en:bomber">bomber</a> <a href="https://en.wikipedia.org/wiki/prototype" class="extiw" title="en:prototype">prototype</a>
Uncredited
www.aviastar.org/air/italy/piaggio_p-50.php