Alex, I am very thankful for your input, and only wish that another like it would show up; or if not that, then some historical document from that time explaining how variations of numbers and letters on these early razors could have overlapped. It is still a great shaving tool, which I used again today, with a feather blade. I think the person I purchased this from is a member of one of these shaving sites. Another thing that further complicates the history of this item, is the U.S. Pat. and the known Canadian location of it, since it appeared on The Bay. I would actually feel more at ease if this had an A or a B on the inner barrel. I would then realize that I purchased a mixed set, and been had. With this strange looking C, I really don't know what to think. Oh well, it is still a good looking and highly functional Antique.