SSh-40 has been found in the territory of an old warehouse of civil defense (Stalingrad steel plant "Krasny Oktyabr" (Red October))
The exact date of manufacture of the helmet is not known, so the helmet can be WW2 or postwar
— 10 USD by Russian Post
— 25-40 USD by courier service EMS
— 30-40 USD by Russian Post
— 40-60 USD (depends on customer's country) by courier service EMS
What is the difference between Russian Post and EMS courier service? Read here - link