Mix one cup each bread crumbs, walnut meats cut in pieces, and cold cooked chicken cut in cubes. Moisten with a sauce made by melting one and one-half tablespoons butter, adding one and one-half tablespoons flour, and pouring on gradually, while stirring constantly, one-half cup chicken stock. Season with salt, celery salt, paprika, nutmeg, and Sherry wine. Shape in balls, dip in crumbs, egg, and crumbs, fry in deep fat, and drain on brown paper. Serve with a sauce made of one-half chicken stock and one-half cream and flavored with Sherry wine.