Skull ring of Wehrmacht soldier was found in Stalingrad region of Russia in 2000s. The ring was found in the dugout with dogtag of a Wehrmacht infantryman. Inner ring diameter 19.5 mm
— 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