"The Simpsons" postal stamp unveiled in LA

"The Simpsons" postal stamp unveiled in LA

Nancy Cartwright, the voice of Bart Simpson, signs a poster at the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009.


Yeardley Smith, the voice of Lisa Simpson, signs a poster at the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009.


Dan Castellaneta, the voice of Homer Simpson, signs a poster at the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009.


Creator and Executive Producer Matt Groening attends the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009.


Creator and Executive Producer Matt Groening (R) and Executive Producer James L. Brooks pose for photographs at the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009


Actor Kelsey Grammer attends the unveiling of the new "The Simpsons" U.S. postage stamps in Los Angeles May 7, 2009.