It could. A super cinnamon is homozygous for the cinnamon mutation so must get it from both parents. The pewter parent is a combination of cinnamon and pastel so could have supplied its copy of cinnamon to match cinnamon from the other parent and produce a super cinnamon.
Pewters are made from pastel jungle and cinnamon pastel, so I guess there would be a chance if it was bred to a cinny. 25% chance of creating a super, I believe.
I'm sure someone will chime in and tell me how wrong I am
Edit: Randy hit submit before me, I was kind of close