What does the b on the apes flag mean?

Question:When I watched the movie "Planet of the Apes" I saw the letter b on the Ape's pink and black flag. Waht does it represent.

Best Answer - Chosen by Asker: When I watched the movie "Planet of the Apes" I saw the letter b on the Ape's pink and black flag. Waht does it represent.

It wasn't a letter, but an out of focus chimps head.
http://www.crwflags.com/fotw/flags/fic_p...
http://www.crwflags.com/fotw/images/f/fi...