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That is what is confusing me cause I can't find anything that doesn't have the ring. That is also what got me thinking that maybe it was the Sheraton or Senator cause they were the first TTO models....

I can't see if there is a letter and number, but all of mine are made in USA so not sure if that one would have the letters. They would be on the made in side. It does have the look of the ranger,...

There should be a letter and a number under the head and with those you can find out the date. Atleast with most Gillette razor you can.