Here's an image of the stamp
slated to be issued in the US on May 17,
2011 2010 on this topic
(you can advance order them now on the USPS web site for delivery after the date of issue):

Don't know what I was thinking when I posted this...this was the stamp issued on May 17, 201
0. I guess I was in the wrong year!?

Anyway, here's a plate block the post office sold me today because they don't have a sufficient stock of the new 64-cent stamps that were to replace it (by the way, if anyone cares, it's Scott #4462):
