21.   The Postal Service has issued a stamp featuring Richard Nixon.

22.   The postmaster general, Marvin T. Runyon, told the senators that the postal service does not usually issue stamps about tragic events and foreign affairs.

23.   The South has even issued commemorative stamps.

24.   The stamp will be issued at a public ceremony in Santa Rosa next May.

25.   The three have been campaigning for almost two years to persuade the U.S. Postal Service to issue stamps depicting their frightening forebears.

26.   Two days later, by coincidence, the U.S. Postal Service issued a stamp calling attention to breast cancer.

27.   When the Marilyn Monroe stamp was issued Thursday, some people had a birthday party.

28.   A special NATO anniversary stamp will be issued later this year, she said.

29.   A special NATO anniversary stamp will be issued later this year.

30.   He has launched an effort for the U.S. Postal Service to issue a stamp honoring his father.