The stamp is one in a set of seven stamps honoring famous Romanians.
Even the stamp honoring "Blondie" shows Dagwood in yet another dramatic collision with the mailman.
It was followed with a Bicentennial stamp honoring Benjamin Franklin.
The stamp is the first and only stamp honoring an African-American organization.
Most modern material falls in two categories: stamps honoring the conquest of space, and covers carried into orbit by manned satellites.
A third autographed a stamp honoring stamp collectors.
Does Grenada really need 81 stamps honoring American baseball players?
On Oct. 1, the Postal Service will issue 10 stamps honoring space exploration, again in booklet form.
Friday was the deadline for voting on whether a stamp honoring Elvis should be a younger or older likeness.
The Elvis stamp will be part of a series of stamps honoring famous musicians.