First thing's first, not all Spotnose are created equalThat goes for all morphs really. Once you know the characteristics you'll be good. They have a clover-shaped faded head spot and spots on their nose - hence the name
They also have pretty cool patterns if you ask me. I've seen some not-so-obvious ones floating around though.
Here are a few good examples I pulled off of Google.
VPI Spotnose
http://www.vpi.com/sites/vpi.com/fil...(VPI)_001o.jpg
found on CaptiveBredForumsUK
http://www.captivebredreptileforums....tnose-male.jpg
If you've got normals like that, I want to know where you got your normalsand yes they are co-dom/incomplete-dom, super form is called the "Powerball" by some. Pretty neat little snake! Chris Huffman has a good couple of pics of one on his page:
http://www.chreptiles.com/