Super Pastel / Cinnamon Sterling Pastel. The names are different because there was a mix up when the first Super Pastel / Cinnamon was produced.
Here are a couple of pictures of my Silver Bullet. The first one is of him while he was still in the egg and the second one is right after his first shed.
Here is a picture of the Silver Bullet above breeding a Cinnamon. As you can see they darken considerably as they age. The only way you can tell them from a Super Cinnamon is by the silverish colored belly