Helmet was found on east the village "Novaya Nadegda" (eng - "New Hope") in the field. Near to the railway (which has been preserved since the Second World war and is working now)
— 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