In a large bowl mix together all ingredients except potatoes, eggs, mayo and sour cream.
Peel and dice potatoes while still very warm to hot. Add to above mixture with diced eggs. Add mayo and sour cream and mix thoroughly so that it mixture sticks together and is moist but not soupy.
Top with sliced eggs and sprinkle with paprika. Cover and refrigerate at least 4 to 6 hours before serving.
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