No. 6504. October 1, 1965. Paul J. Spielberg, Washington, D.C., with whom Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Glen M. Bendixsen, Washington, D.C., were on brief, for petitioner. Allan A. Tepper, Boston, Mass., with whom Snyder, Tepper, Berlin Katz, Boston, Mass., was on brief, for Silver Bakery, Inc., of Newton, respondent. Warren H. Pyle, Boston, Mass., with whom Angoff, Goldman, Manning Pyle, Boston, Mass., was