A KO-GATANA
A KO-GATANA
Sugata (configuration): ubu (unaltered) koshi-zori (low centre of curvature), chu-kissaki (medium point)
Hamon (tempering pattern): narrow suguha (straight line)
Nakago (tang): mumei ubu (unsigned, unaltered) with one mekugi-ana (peg hole) and an exaggerated iri-yama gata nakago jiri (base of the tang)
Nagasa (length): 53.5 cm, moto-haba (width at the bottom of the blade) 2.7 cm, saki-haba (width at the tip) 1.8 cm
Koshirae: black lacquered saya (scabbard) with a horn kojiri (bottom end), including a copper kodzuka (small knife), tsuka (handle) with blue ito (thread) over white samé (ray skin), horn kashira (top of the handle) with copper menuki (hilt ornaments) and a shakudo-nanako (black alloy with multiple small raised dots) with a fir design, round tsuba (hand guard) depicting kiku (chrysanthemum) and crashing waves, all mumei (unsigned)
Estimate
Time, Location
Auction House
A KO-GATANA
Sugata (configuration): ubu (unaltered) koshi-zori (low centre of curvature), chu-kissaki (medium point)
Hamon (tempering pattern): narrow suguha (straight line)
Nakago (tang): mumei ubu (unsigned, unaltered) with one mekugi-ana (peg hole) and an exaggerated iri-yama gata nakago jiri (base of the tang)
Nagasa (length): 53.5 cm, moto-haba (width at the bottom of the blade) 2.7 cm, saki-haba (width at the tip) 1.8 cm
Koshirae: black lacquered saya (scabbard) with a horn kojiri (bottom end), including a copper kodzuka (small knife), tsuka (handle) with blue ito (thread) over white samé (ray skin), horn kashira (top of the handle) with copper menuki (hilt ornaments) and a shakudo-nanako (black alloy with multiple small raised dots) with a fir design, round tsuba (hand guard) depicting kiku (chrysanthemum) and crashing waves, all mumei (unsigned)
Estimate
Time, Location
Auction House
