Grind raisins and peanuts in food grinder, using medium blade; set aside.
Sift together 6 cups flour, baking powder, salt, cinnamon and nutmeg into very large bowl or dishpan. Cut in lard until mixture forms fine crumbs, using pastry blender. Add ground raisin mixture, sugar and oats. Mix well., using hands if necessary.
Dissolve baking soda in buttermilk in small bowl. Add molasses and 3 of the eggs to buttermilk mixture. Beat with rotary beater until blended.
Add buttermilk mixture to flour mixture; mix well with spoon. Drop mixture by heaping teaspoonfuls or a small ice cream scoop, about 3 inches apart, on greased baking sheets. Flatten each with bottom of drinking glass dipped in flour to 2 ½ inch round.
Beat remaining egg in small bowl until blended. Brush tops of each round with egg.
Bake in 375°F oven 8 to 10 minutes or until golden brown. Remove from baking sheets; cool on racks. Makes 4 ½ dozen.