True Wedge

I got this one and finally got around to take a closer look at it and it is the closest to a true wedge that I have seen so far. It is a 9/16 B. Worth & Sons. The gap from center hollow is at most .25 mm. Just wish I could measure it. Tried to take a picture of it laying on something I know to be flat, but couldn't get it to focus right. Does anyone own or know of any actual true wedge razor? Did they ever make a true wedge?

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A true Wedge razor has to be lifted off the hone to be sharpened, I have only seen one for sure, I think there might have been two, but the second one could have been from wear :(

Who were the manufacturers?

OH man :(

IIRC the true wedge was a W&B the other I would just be guessing at, this was very early in my Restoration Days, in fact my first E-bay "Lot Buy" and I didn't realize that these things were actually quite rare, Sorry ...