Shin Umetada Tsuba - TM016 accessories the bottom section called Chi

the bottom section called Chi (Earth in English)

It was incorporated in several Kamon (crest) during the Muromachi period

For reference

most likely

this model may be hand-washed and dried on a hanger (holding the folds using clothespins) without risk of losing the pleats or damaging the fabric

Shin Umetada Tsuba - TM016 accessories the bottom section called ChiMinosaka Shin Umetada Tsuba TM016 This tsuba is named after a famous blacksmith from the Edo period, the one who designed the original model. It is called "Shin" Umetada, for "New Umedata design", as this designed is known to be a redesign of an original famous model made by Umetada. Fully made in Japan. Material: Blackened iron Weight: 165 g Vertical height: 85 mm Horizontal width: 76 mm Thickness: 4. 1 mm