Set of 7 coins includes -
5 Reichspfennig, 1936
5 Reichspfennig, 1939 (2 coins)
5 Reichspfennig, 1937
10 Reichspfennig, 1939
50 Reichspfennig, 1940
20 Groszy 1923
All coins found in one place near the airfield Pitomnik near Stalingrad
— 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