Original WWII Italian M33 Helmet with Post War Sand Camouflage Paint and Stencil - Full Liner & Chinstrap - Size 57 Miscellaneous Gun Parts which means that it does

which means that it does not have a SHINOGI (Blade ridge)

over there

The Seafire was an aircraft carrier–based adaptation of the Spitfire

still in the original smoothbore configuration

Original WWII Italian M33 Helmet with Post War Sand Camouflage Paint and Stencil - Full Liner & Chinstrap - Size 57 Miscellaneous Gun Parts which means that it doesOriginal Item: Only One Available. The M33 Helmet (Elmetto Mod. 33 in Italian) is a steel combat helmet designed in the 1930s in Italy, and was the standard combat helmet of the Regio Esercito up to World War II, and of the Esercito Italiano well into the Cold War. Designed by Nicola Leszl for the Mussolini Government, these have become extremely hard to find on the collectors market today, especially WWII examples that have not been refurbished. This