Wash the potatoes and boil in water for about 20 minutes. Drain. Clean and wash the beans and cook them in boiling salted water for about 12 minutes. Quench cold and drain. Boil eggs hard. Quench cold, peel and let cool down.
Wash the tomatoes and cut them into pieces. Clean, wash and cut romaine lettuce into strips. Peel onion, cut into fine rings. Wash, clean, slice or cut the cucumber. Drain artichokes, cut in half. Drain tuna and pluck into large pieces with two forks. Rinse anchovies, dab dry and chop finely. Cut the eggs into slices. Arrange prepared ingredients and olives on a plate.
Wash the basil, cut into strips and sprinkle over the salad. Season vinegar with salt, pepper and 1 pinch of sugar. Embezzle oil. Drizzle vinaigrette over the salad.