I've been looking into buying an Emerson La Griffe and found out about the Fred Perrin G 10 (on this forum - thanks). Is there a difference. Do they both have chisel ground blade? It appears that they are the same size. I see that the Perrin model costs almost twice as much. Is there a difference in quality. I have an Emerson commander and have no problems with it, other than I think that the chisel grind is tough to sharpen.