Almost all BP's have alien heads...

This is a normal:



Black Pastels and Cinnamons have funked up alien heads

http://www.worldofballpythons.com/morphs/black-pastel/

http://www.worldofballpythons.com/morphs/cinnamon/

The biggest difference between a black pewter and a pewter is the base color. black pewters as the name suggests are more black

Pewter:

http://www.worldofballpythons.com/fi...pewter/013.jpg

Black Pewter:

http://www.worldofballpythons.com/fi...pewter/002.jpg