Day 1: 1 large loaf white bread, crusts removed and cubed. 1 large white onion, chopped, 4 boiled eggs, chopped. Combine above in a large mixing bowl cover and refrigerate over night.
Day 2: Add one 7 ounce can crabmeat, chopped to mixture: Mix, cover and return to refrigerator.
Day 3: To mixture add; 2 (4 1/2 oz.) cans drained shrimp chopped fine, 1 cup chopped celery, 3 cups mayonnaise. Refrigerate 3 hours before serving. Serve with crackers.