The helmet was found near the village Zapadnovka (Stalingrad region). Near the place where found the helmet was a few bins (maybe they were intended for headquarters divisions). On Google maps they are clearly visible. The helmet was found on great depths, possibly earlier, it was the anti-tank ditch or trench.
— 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