Combine salt, ginger, pepper, and rice wine (or sherry); blend well.
Rub mixture onto steaks.
Heat 1 1/2 tablespoons butter in heavy skillet.
Add steaks; saute 2 minutes on each side.
Arrange mandarin oranges and capers on top of steaks; dot with remaining 1 tablespoon butter.
Place skillet under preheated broiler; broil for 3 minutes.Serve steaks immediately on preheated plates.