Large Japanese katana, 680 mm blade with undulating,... Lot 28

Large Japanese katana, 680 mm blade with undulating, nebulous temper line, delamination parallel to the edge towards the tip, temper line returns to the tip, no signautre on the tang (single piercing), ordinary dark lacquer scabbard, tsuka sheathed in white samé, fittings (fuki kashira menuki present), round tusba reused, kokai passage recorked, kosuka passage pierced but scabbard without housing (Condition 2). Length : 101 cm