Thanks Kevin...
by the way... I think I've gotten to the bottom of why this blade didn't show any hardening line from the clay. After my visit to Karl's, I went home and built a big vertical forced air forge and I'm now getting such even heats that Aldo's deeper hardening 1084 (has higher alloy content than other 1084s) just ain't showing it. In my old, venturi forge, I was able to concentrate critical heats along the edge. This will be a good excuse to just go to using W2 from now on when I want a hamon.