This model is preserved at Museo Tecnico Navale, La Spezia. Full info on this ship here.
The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails. (William Arthur Ward)
Battleships & Knights 
Regina Elena had two single turrets as primary armament though. Isn’t this ship a Regina Margherita-class? Because to me looks like it.
That’s true, wrong title, corrected, thanks!