This is a Ryoshinogi Yari (spear) by Tadayoshi, a sword smith for the Nabeshima clan of the Hizen province. It is in excellent condition with no rust or chips. The blade features a masame-kitae (straight grain) jigane and a suguha (straight) hamon. It comes with a clean shirasaya.
mei · Edo · nagasa 39.5cm

We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.
This is a Ryoshinogi Yari (spear) by Tadayoshi, a sword smith for the Nabeshima clan of the Hizen province. It is in excellent condition with no rust or chips. The blade features a masame-kitae (straight grain) jigane and a suguha (straight) hamon. It comes with a clean shirasaya.
mei · Edo · nagasa 39.5cm

We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.