It has appeared, it has appeared—a katana by Inoue Shinkai, handed down through the generations of an old family. Upon inspection, it looks so much like a true masterpiece by Inoue Shinkai that it makes one’s heart skip a beat, but as it has not currently undergone shinsa, please treat it as a kibomei (hopeful signature). While the Yokozuna of the East is Kotetsu of Edo, the one praised alongside him as the Yokozuna of the West and considered the pinnacle of the Shinto period is this Inoue Shinkai; however, please regard this sword as a kibomei, with the hope that it is indeed so. This is a work signed as Inoue Shinkai, who is acclaimed as the "Osaka Masamune" and the Yokozuna of Osaka Shinto, but please treat it strictly as a kibomei, hoping it is the genuine article. The sugata of this sword is shinogi-zukuri with an iori-mune, showing a difference between the moto-mihaba and saki-mihaba that truly expresses the katana-sugata of Inoue Shinkai. The jigane is forged in itame-hada with fine jinie thickly attached and chikei appearing clearly. The hamon is in the style that was Inoue Shinkai’s specialty—a relaxed suguha-style aimed at the work of Go Yoshihiro, with konie attached like fine dust, making the interior of the blade bright and well-executed; however, please treat it strictly as a kibomei, hoping it is so. Works with the Inoue Shinkai mei, much like the works of the Bakumatsu master Minamoto Kiyomaro which are extremely rare, have been scarce since ancient times and are an object of envy for sword collectors. This time, although this sword was passed down through an old family for generations as a genuine Inoue Shinkai, the owners have grown old. While it is a sword by Inoue Shinkai, who is called the Osaka Masamune and has been highly evaluated since ancient times, because it is unfortunately being labeled as a kibomei this time, we were asked to pass it on cheaply to someone who wishes to own an Inoue Shinkai even as a kibomei. Therefore, we are offering it at a special bargain price. Please, by all means, enjoy this piece.
Edo · nagasa 69.1cm · sori 1.2cm





















Shinto · Settsu
73 pieces on the market now
Osaka in the early-to-mid Edo period was a merchant capital, a city of commerce and capital rather than a castle town tied to a single daimyo house, and the swordsmiths who gathered there worked for a wealthy townsman clientele as much as for warriors. The grouping known as Osaka Shinto (大坂新刀) took shape in Settsu from two feeder currents. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Shinkai真改 | 1649-1682 | 79 |
| Tadatsuna忠綱 | 1673-1717 | 53 |
| Kanesada包貞 | 1673-1682 | 78 |
| Kanesada包貞 | 1648-1652 | 10 |
| Kunisuke國助 | 1658-1663 | 10 |
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.
For returns due to customer circumstances, the cost is the customer's responsibility. For returns due to our mis-shipment or a defective item, we bear the cost.
It has appeared, it has appeared—a katana by Inoue Shinkai, handed down through the generations of an old family. Upon inspection, it looks so much like a true masterpiece by Inoue Shinkai that it makes one’s heart skip a beat, but as it has not currently undergone shinsa, please treat it as a kibomei (hopeful signature). While the Yokozuna of the East is Kotetsu of Edo, the one praised alongside him as the Yokozuna of the West and considered the pinnacle of the Shinto period is this Inoue Shinkai; however, please regard this sword as a kibomei, with the hope that it is indeed so. This is a work signed as Inoue Shinkai, who is acclaimed as the "Osaka Masamune" and the Yokozuna of Osaka Shinto, but please treat it strictly as a kibomei, hoping it is the genuine article. The sugata of this sword is shinogi-zukuri with an iori-mune, showing a difference between the moto-mihaba and saki-mihaba that truly expresses the katana-sugata of Inoue Shinkai. The jigane is forged in itame-hada with fine jinie thickly attached and chikei appearing clearly. The hamon is in the style that was Inoue Shinkai’s specialty—a relaxed suguha-style aimed at the work of Go Yoshihiro, with konie attached like fine dust, making the interior of the blade bright and well-executed; however, please treat it strictly as a kibomei, hoping it is so. Works with the Inoue Shinkai mei, much like the works of the Bakumatsu master Minamoto Kiyomaro which are extremely rare, have been scarce since ancient times and are an object of envy for sword collectors. This time, although this sword was passed down through an old family for generations as a genuine Inoue Shinkai, the owners have grown old. While it is a sword by Inoue Shinkai, who is called the Osaka Masamune and has been highly evaluated since ancient times, because it is unfortunately being labeled as a kibomei this time, we were asked to pass it on cheaply to someone who wishes to own an Inoue Shinkai even as a kibomei. Therefore, we are offering it at a special bargain price. Please, by all means, enjoy this piece.
Edo · nagasa 69.1cm · sori 1.2cm





















Shinto · Settsu
73 pieces on the market now
Osaka in the early-to-mid Edo period was a merchant capital, a city of commerce and capital rather than a castle town tied to a single daimyo house, and the swordsmiths who gathered there worked for a wealthy townsman clientele as much as for warriors. The grouping known as Osaka Shinto (大坂新刀) took shape in Settsu from two feeder currents. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Shinkai真改 | 1649-1682 | 79 |
| Tadatsuna忠綱 | 1673-1717 | 53 |
| Kanesada包貞 | 1673-1682 | 78 |
| Kanesada包貞 | 1648-1652 | 10 |
| Kunisuke國助 | 1658-1663 | 10 |
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.
For returns due to customer circumstances, the cost is the customer's responsibility. For returns due to our mis-shipment or a defective item, we bear the cost.