The helmet was found on the Western outskirts of Volgograd (former Stalingrad) in the 2000s. The helmet was found at the foot of a small mountain among shell fragments. Nearby was found half of the dogtag, owned by the soldier of infantry (Wehrmacht)
— 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