Jeff,
Thank you very much for response and all of your great information. First I found where it is stamped with the key, and it is marked G/C. And as for the bellows I would have to say yellow, but when the bellows are expanded the outer edges (of the folds) look a little more blue. As for location, I am just outside of Detroit. My father had got this from his uncle after he had died, and if I am remembering thi years right that would have been late 40s or very early 50s. I am going to try and attach a single photo of the inside, hopefully this one loads faster.
Thanks again for all of your help it is greatly appreciated, Pep.