Description The tonkotsu of a bamboo section carved with Shôki sharpening his sword on one side and engraved with a poem on the other side, on the flat lid a running oni, the bamboo ojime with a sparrow amidst bamboo leaves, the kiseruzutsu of otoshi-zutsu type carved with Tekkai Sennin sitting on a rock and exhaling his anima, the rim lined with wood, along with a pipe. Tonkotsu and kiseruzutsu signed Hidari Ikkan.出处: Provenance Private collection, Düsseldorf