United States Civil Service Commission, Board of U. S. Civil Service Examiners, Office of Regional Commissioner, Internal Revenue Service, Philadelphia 7, Pa., announces examination for Treasury enforcement agent (males only), GS-5, $3,410 a year, GS-7, $4,205 a year, GS-9, $5,060 a year, options, general investigative, pharmacy, announcement 3-33-1(1954).