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I have shaved with Henckels #52 1/2 which shaved just the same in terms of feeling and smoothness , and Griffon #62 which although was not the same grind shaved the same. I am sure there are many...

very true, tI have shaved with a few other brands that shave just as well.

I have seen both spikes and round points on the same model.
I have not tried anything but #13 DT, it gives superb shaves.