Thank you kelbro and Kristian. I agree Kristian a rock is a rock regardless of its label. There is no way Escher could control nature nor do I think they took the time to test every stone to guarantee they were the best.
Kees they are private label Eschers, one is a B.T.Co which took over from Escher. The other is a Rochester Razor Hone. Same mine, same saws, probably same workers so yeah it's an Escher. It just thankfully doesn't have the bottom label so I can lap both sides, and get the most out of my stone.
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Enjoy the day,
Benson