Scope and ContentStationery letterhead: United States Testing Company, Inc., General Offices, 1415 Park Avenue, Hoboken, N.J. No date, circa 1950s. Single leaf printed in green, black and gray, 8-1/2" x 11" high. Wove paper, no watermark. Blank and unused. Company logo at top right (essentially a " seal of approval " with this text encircling the actual logo: Certified Merchandise Seal of Quality) with vignette artwork of a man in lab coat using a microscope. Printed text: Telephone Cable Address HOboken 3-3166 USTESTCO, Hoboken, N.J. United States Testing Company, Inc. Established 1880 Commercial Testing Laboratories An Organization of Engineers & Technicians Specializing in Product Improvement & Development - Product Testing & Quality Control. General Offices - 1415 Park Avenue Hoboken, N.J. New York, N.Y. Hoboken, N.J. Boston, Mass. Chicago, Ill. Denver, Colo. Philadelphia, Pa. Woonsocket, R.I. Los Angeles, Calif. Memphis, Tenn. ====