Skull ring was found during diggigns in Kaliningrad region (former Koenigsberg). The ring was found in the field, also a lot of coins of the 3 Reich were found nearby
— 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