The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
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That is in fact the older AD-10 it has a 3.7" cutting edge. I later refined it to a 3.5" cutting edge which is now the standard AD-10. The new model is less than 10 percent smaller overall and the clue to tell them apart is in the area between the pinky and ring finger of the handle, the older has a smoother transition in that area. The reason for the sighned blade is simply that the buyer asked for it.