German helmet M35 from private collection of collector from Volgograd (Former Stalingrad). According to him, the helmet was found on the outskirts of Volgograd in the 1990s
— 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