Tsuba – Ko-Shoami – NBTHK Hozon
€2,200
Tracked across 76 dealers worldwide · price history · sold archive
Muromachi
About the school
Ko-Shoami School古正阿弥派
The Ko-Shōami (Old Shōami) represent a collective of specialist *tsuba* makers active in Kyōto from the middle through the late Muromachi period, extending into the Momoyama era. The prevailing scholarly view holds that these artisans originally worked as general *tōsōgu* craftsmen before becoming specialized *tsuba* makers. Unlike other major schools of the period, Ko-Shōami works lack widely celebrated individual masterpieces, and attributions typically reference the group name rather than specific hands. Rare examples of *kodōgu* attributed to the school—such as *menuki* depicting deer in a pine grove with traces of *uttori-iroe*—suggest a broader early production range, yet such pieces remain exceptional within the known corpus. The characteristic Ko-Shōami technical approach centers on piercing iron plates with bold openwork (*ji-sukashi*, *nikubori-sukashi*) and enriching the design through *nunome-zōgan* in gold, silver, shakudo, and brass. Typical works employ well-forged iron with polished surfaces (*migaki-ji*) or textured grounds (*ishime-ji*), often finished with *hizashi-yasuri* (sun-ray file marks) embellished with shakudo inlay. Compositions favor geometric motifs—large square seals (*kaku-in*), net patterns (*ami-me*), mulberry leaves pierced with seaweed and *karakusa* arabesques—rendered in a manner that balances daring openwork with controlled inlay. Rims typically receive gold or silver *nunome-zōgan* in rope (*nawame*) or arabesque patterns, tightening the overall composition. The iron displays a distinctive deep, purplish tone that harmonizes with shakudo accents, producing what NBTHK appraisals characterize as "exquisitely flavorful ground." Ko-Shōami *tsuba* are distinguished by their simple, clean aesthetic and well-proportioned circular forms (*maru-gata*), often with angular or raised rims (*kaku-mimi*, *dote-mimi*). The firmness of their *nunome-zōgan* execution and the quality of their forged iron plate establish these works as representative examples of mid-to-late Muromachi *tsuba* craftsmanship. Though lacking the lineage documentation of signed schools, Ko-Shōami pieces were esteemed enough to enter prestigious collections, including the Higo Hosokawa family. The school's influence lies in its refinement of openwork and inlay techniques that would inform later Kyōto traditions.
