Itailan postcard illustrator Nadiani... can't find info about him, but he did a series of postcards and greeting cards during WW2

His characters were all in the same style, and very few had anything to do with vehicles

https://picclick.it/nadiani-illustratore-264484261773.html
http://www.ewillys.com/2013/02/06/1944-italy-postcard-on-ebay