I. Introduction This is the second of two posts of my first attempts at doing kantei. I purchased two katana at the recent San Francisco Token Kai. I laid out my goals for the show and the results of my first kantei here:    In addition to the sword above, for a small amount more, the dealer added a mumei katana in somewhat tired polish. However, this sword was not in such bad polish that I couldn't learn from it. In fact, its hamon is clearly visible, and the attributes are different