In skillet, melt 4 tbs. butter; blend in flour. Add milk all at once; cook and stir until thickened and bubbly. Stir in crab meat, chopped eggs, pimiento. 1 tsp. salt, and 0.125 tsp. pepper. Spoon mixture into 6 individual casserole dishes or baking shells. Melt remaining 2 tbs. butter, toss with bread crumbs to combine. Sprinkle crumbs atop crab mixture. Top with slivered almonds. Bake uncovered, at 350, for 20 to 25 minutes.