
FIAT 665NM Protetto at the Centro Studi della Motorizzazione in Rome.Source:
             
            
              
              
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              If I may also throw the Autoprotetto S.37 into consideration
Typically had an Breda MG mount on the top (either dual or single mount), although it could also be unarmed or have a small caliber cannon mounted. ~200-300 produced by Italy.
             
            
              
              
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