Italian Model 933 helmet post WW2 (2)

These are pictures of my second post WW2 Italian model 933/47.
This one is in a very good condition.
The biggest difference between the pre-war and post-war model 933 is the chin strap.
The pre WW2 model 933 has a leather chin strap,
the post WW2 has a canvas chin strap since 1947.

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The inscription in the helmet is P1,
P is the indication for the manufacturer, but I have not yet found who this manufacturer was.
 
The inscription in the liner is 59
59 is the helmet size.
 
More information can be found at https://www.cascoscoleccion.com/italia/ital33.html v