Prewar70 Posted July 30, 2016 Report Posted July 30, 2016 What is this line? It is not present on both sides of the sword. Quote
Stephen Posted July 30, 2016 Report Posted July 30, 2016 looks like one side got a acid wash...mho 1 Quote
ROKUJURO Posted July 30, 2016 Report Posted July 30, 2016 James, it is just a layer from the folding of the steel.In most swords the steel is so refined that only the fine structure of the HADA is present. Together with certain blade construction principles, this phenomenon can also indicate the 'border line' between two different steel alloys. Quote
Ken-Hawaii Posted July 31, 2016 Report Posted July 31, 2016 I think Stephen is right, James. Tired areas would be more concentrated, rather than the long wave-like effect. Ken Quote
John A Stuart Posted July 31, 2016 Report Posted July 31, 2016 This is a very common phenomenon especially in the Masame type and often seen especially in Minoto in the Ji. It in no way reduces the integrity of the sword, given it isn't ridiculously Ware. John Quote
ROKUJURO Posted July 31, 2016 Report Posted July 31, 2016 ....which this sword shows in the MUNE (first photo). A typical welding flaw. Quote
ROKUJURO Posted July 31, 2016 Report Posted July 31, 2016 James,this one is easy: BISHU OSA (unsually followed by FUNE no JU plus smith's name). Quote
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