В колонках играет - Rikki - Suteki da NeKoshi-zori : a type of blade curve which has its center nearer the tang (nakago) than the point (kissaki). It is typical of early blades from late Heian to mid-Kamakura, espeically blades from Bizen province.
Wa-zori : a type of blade cuve which center is on the middle.
Saki-zori : a type of blade curve which center is near to the kissaki.
Yasurime : a general term for filemarks on the nakago. These were often added by the smith to serve as a kind of additional signature.
Boshi : the part of the tempered edge (hamon) which is in the point of the blade (kissaki). It is particularly important to make a thorough examination of the boshi when assessing a sword.
Yokote : the transverse ridge separating the kissaki from the rest of the blade. It runs from the edge (ha) as far as the ridge (shinogi).
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