Nana's Stamp Cookies

4 cups cake flour1 lb butter1 cup sugar5 eggs beaten1 teaspoon baking powder1/2 teaspoon salt1 lb finely chopped walnutsSift all dry ingredients. Rub butter with hands until blended. [Presumably, add eggs at this point, but it's not in the recipe -M] Put into refrigerator until you can handle some, make rolls + cut w/ knife, press cookies with bottom of glass dipped in sugar. [Presumably, press chopped walnuts into cookies at this point, but it's not in the recipe -M] Bake 350 for 15 minutes or until brown.