This is a kogai-naoshi-koduka (a kozuka made from a modified kogai) by Mitsunori of the Goto school, featuring a peony design. Mitsunori was the 4th head of the main Goto family, serving Oda Nobunaga and Toyotomi Hideyoshi. The fitting is made of shakudo nanako-ji with high-relief carving and gold inlay on the back, and comes with NBTHK Tokubetsu Hozon papers.
mei · Goto · Momoyama (1529-1620)













Goto Kojo
Momoyama
Signed
Tokuho (NBTHK)
Iebori · Yamashiro · around 1529-1620
3 pieces on the market now
Goto Kojo, his formal name Mitsuie, was the fourth head of the Goto mainline, the eldest son of the third master Joshin, born in Kyoroku 2 (1529). He first served the Ashikaga shoguns, and when that house fell he and his heir Mitsumoto, the fifth head Tokujo, entered the service of Oda Nobunaga; in Tensho 9 (1581), by Nobunaga's command, the two made the great unmarked ten-ryo Oban, which the published sources call the largest gold coin in the world. The Goto were the principal house of sword-fitting metalwork, serving successive shoguns from the Muromachi period through the Edo period, so that their work is called iebori, house carving, as distinct from the machibori made for ordinary demand. Within that house his standing is stated plainly: he is a master of high repute, "said to be a craftsman second only to Yujo"[[c:1]].
Two features of his work are named as his own. The published sources record that "many of his works are pictorial, since he used underdrawings by Kano Motonobu and Eitoku"[[c:2]], and that "within the Goto house he is said to have been the first to take up warrior carving and the dragon-and-tiger design"[[c:3]]. A dragon with a tiger and leopard family in solid gold, the stripes and spots set in shakudo inlay, shows that program at its fullest, and a set of tiger-and-leopard menuki carries five beasts, parents and young, the carving high on the peaks and deep in the valleys, the eyes and coats picked out in gold.
His materials are those of the house at its most luxurious. The menuki are cut in yobori, full sculptural relief, very often in kin-muku, solid gold, with the paired in'yo-ne stems on the back that later appraisers read as a mark of period and hand. The kozuka and kogai are shakudo nanako-ji with takabori figures and gold applied crests over a gold-covered reverse, enriched with gold and silver iroe. Of an all-gold set showing Xuanzong of Tang and Yang Guifei the judges write that "to express so modulated, rich and sharply contrasted a modelling in gold alone is truly the work of a master"[[c:4]]. His lions take a particular form that "is said to be frequent in the first three generations and in Kojo"[[c:5]], and on a dragon-and-tiger kozuka the crest is praised for its modelling, "the triangular chisel used to strong effect"[[c:6]]. His subjects run through lions, tigers and leopards, the twelve zodiac animals, oxen and horses, the Kurikara dragon, a temple bell, Huang Shigong and Zhang Liang, and the Twenty-four Paragons of Filial Piety.
Most of the record is unsigned, its attribution resting on the later heads of the house. Mitsutaka, the thirteenth head, inscribed attribution signatures of the form "crest by Kojo, Mitsutaka" on several kozuka and kogai and issued origami for them; earlier origami come from Teijo, Jujo and Mitsumori, and on a two-piece set of the Twenty-four Paragons the published sources judge the valuation "probably the highest ever given for a colour-inlay work"[[c:7]]. Genuine self-signed works are few. Kojo is the first Goto head to leave one, a gold-inlay signature Goto with a kao, and of a pair of works signed this way the judges note that "they are known to be Kojo's work by the identical kao" (同一の花押によって光乗の作品であることがわかり). The Tokubetsu Juyo kozuka of Ushiwaka and Benkei on the Gojo bridge carries that inlaid signature, and the published sources call it, "together with the documentary value of its precious inlaid signature, an outstanding work even among his own"[[c:8]].
What sets him apart is the Momoyama scale he brought into the house style. The texts describe work "showing the spirit of Momoyama and the dignity of house carving, splendid and powerful"[[c:9]], the large horizontal menuki forcefully struck up from the back, a manner they say was "called within the house a technique close to the first master Yujo"[[c:10]]. He stands between the first three generations, whose lion forms he shares, and his son Tokujo, with whom he is sometimes paired in a single set.
His record runs through thirty designated works, one Tokubetsu Juyo and twenty-nine Juyo. Recorded provenance runs through the Shimazu, Hachisuka and Tsugaru houses, the Shonai Sakai family, whose lord Tadanori wrote the outer wrapper of a Kurikara dragon pair, and the Osaka merchant house of Konoike, which held three of his works. For the collector a Kojo piece is among the most documented hands of early Goto work, and with only thirty pieces in the two upper tiers a papered example appears only from time to time, the self-signed works rarest of all.
Where Goto Kojo stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.
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Iebori · Yamashiro
327 pieces on the market now
The Goto house stands as the preeminent dynasty of sword-fitting makers in the history of Japanese metalwork, an unbroken lineage of seventeen generations spanning from the founding master Yujo (1440--1512), who served Ashikaga Yoshimasa amid the refined culture of Higashiyama, through the final head Hojo (1816--1856) in the closing years of the Tokugawa shogunate. From its inception the house served successive rulers -- Ashikaga shoguns, Oda Nobunaga, Toyotomi Hideyoshi, and the Tokugawa -- and its productions became known as iebori, the "house carving" distinguished from machibori made for ordinary public demand. The fourth master Kojo first introduced warrior subjects and employed preparatory drawings by Kano Motonobu and Eitoku; the fifth master Tokujo struck the celebrated "Tokujo kiri" hallmark upon oban gold coinage for Hideyoshi; the third master Joshin -- "not only a metalworker but also a warrior" -- was killed in battle against the Azai clan in 1562. The seventh master Kenjo, praised since ancient times as a restorer of the house's fortunes (the finest exponents being termed Yuko-ken), traveled to Kaga and laid the foundations for the later flourishing of the Kaga-Goto tradition, while the tenth master Renjo carried the mainline from Kyoto to Edo, where it would remain through the seventeenth generation. The eleventh master Tsujo bridged the formal tradition with the expressive spirit of the Genroku era, and the thirteenth master Enjo served as an authoritative appraiser, authenticating works by earlier masters across the entire succession. The collective technical vocabulary of the Goto house is built upon shakudo nanako-ji grounds of extraordinarily minute and dense stippling, upon which motifs are rendered in takabori with kin-iroe and gin-iroe, frequently supplemented by solid gold (kinmuku) construction and kin'ura gilt backing. The sculptural manner is characterized by what the NBTHK repeatedly describes as "high mountains and deep valleys" -- a modulation of volume in which modeling rises emphatically while recesses are cut deep and clean, producing forceful and crisply articulated relief.
" Sojo inherited and tightened these forms with controlled elegance; Joshin amplified them to conspicuously larger scale with claws that are "characteristically large and long, with the tips splayed open"; Eijo brought a finer, more delicate precision to compositions of equally grand ambition; and Kenjo introduced a distinctive shosha quality -- austere and urbane -- that distinguished his work from the first six generations. The later masters sustained this discipline: Teijo's calm restraint and distinctive coloristic effects, Renjo's forty-five years of deeply worked takabori capturing instantaneous warrior movements, Tsujo's innovative left-right spreading compositions, and Hojo's reintroduction of machibori aesthetics into the official house style all demonstrate the lineage's capacity for renewal within tradition. The Goto house's enduring significance resides not merely in the technical excellence of individual masters but in the institutional continuity of a critical tradition sustained across four centuries. Works from the "upper six generations" (kami roku-dai) through Eijo established the canonical repertoire of prescribed okitemono motifs -- dragons, lions, paulownia crests, Kurikara, and auspicious figures -- while successive heads served simultaneously as makers and authenticators, issuing origami certificates and kiwame-mei inscriptions that themselves constitute important documents of connoisseurship. Valuations reaching one thousand kan and transmission through such distinguished collections as the Konoike, Shimazu, Tokugawa, and Maeda houses attest to the unrivaled esteem in which Goto metalwork has been held. Even Sokujo, whose tenure lasted barely four years before his death at thirty-two, left a small but distinguished body of work authenticated across eight subsequent generations of headmasters. From Yujo's founding vision through Hojo's final flowering -- whose technical command the NBTHK judges the finest from the twelfth master onward, betraying "not the slightest hint of the approaching conclusion" of the unbroken line -- the Goto house represents the defining standard against which all Japanese metalwork is measured, the wellspring from which the entire sokeN kinkO tradition flows. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Goto Joshin後藤乗真 | 1512-1562 | 68 |
| Goto Yujo後藤祐乗 | 1440-1512 | 41 |
| Goto Sojo後藤宗乗 | 1461-1538 | 56 |
| Goto Kenjo後藤顕乗 | 1586-1663 | 46 |
| Goto Teijo後藤程乗 | 1603-1673 | 42 |
A Hozon-certified fitting of notably superior craftsmanship and condition, often with signature or workmanship of high reference value.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteReturns/exchanges/cancellations not accepted after shipment except for significant defects; if defective, return/exchange possible within 3 days of arrival (return shipping paid by customer).
¥500,000