An unglazed Bizen tea bowl by Yamamoto Izuru — natural fire marks, wood-kiln landscape surface, signed tomobako. Bizen ware tea bowl, Japanese chawan, wood fired stoneware, anagama kiln ceramics, Yamamoto Izuru pottery, Okayama cultural property, hi-iro fire marks, sangiri kiln effects.
🔹 [ BASIC DETAILS ] • Artist: Yamamoto Izuru (山本 出) — Prefecture-Designated Important Intangible Cultural Property Holder (Bizen ware) • Type: Tea bowl (chawan) • Origin: Bizen, Okayama, Japan • Material: Bizen stoneware (unglazed) • Dimensions: Height 8.1 cm × Rim diameter 10.7 cm × Foot diameter 5.3 cm • Era: Contemporary (Heisei period, c. 2000–2006) • Condition: Good — no visible damage • Accompaniments: Signed yonhosan tomobako (four-post wooden box) inscribed "備木 茶碗" with "出" signature and red seal; blue silk cord; yellow cloth wrapper (fukusa); printed artist pamphlet
🔹 [ CULTURAL INSIGHT ] Bizen ware stands apart in the world of Japanese ceramics through its absolute refusal of glaze. For over eight centuries, Bizen potters have entrusted surface, color, and texture entirely to the kiln — clay and fire in unmediated conversation. A single firing cycle in an anagama (tunnel kiln) lasts ten to fourteen days, during which pine ash, flame path, and kiln placement inscribe each vessel with unrepeatable markings. The designation of Yamamoto Izuru as a Prefecture-level Important Intangible Cultural Property holder recognizes not merely skill but the continuity of this ancient dialogue.
🔹 [ DEEP DIVE ] Yamamoto Izuru's chawan embodies the density of intention that defines serious Bizen work. The robust half-cylindrical form — neither delicate nor heavy — sits with the quiet confidence of a vessel that survived two weeks of sustained fire.
The surface reads as landscape: rust-red hi-iro blooms where flame touched clay directly, merging into gray sangiri zones where reduction atmosphere cooled the iron content. Cream-colored patches appear where straw or neighboring vessels shielded the body from direct flame, preserving a record of kiln architecture in the clay itself. Subtle ash deposits drift across the terrain, adding depth without concealment. Visible throwing lines circle the body in rhythmic texture — the potter's hand still present in the finished form.
The interior reveals warm golden-brown tones with occasional ash speckling, a quieter echo of the exterior's drama. The foot ring, darkened from its position on the kiln floor, grounds the bowl in the reality of its making.
The complete set — signed yonhosan tomobako with blue silk cord, yellow fukusa wrapper, and printed pamphlet documenting the artist's designation — speaks to the cultural weight this work carries. Nothing here is decorative; everything is evidence.
🔹 [ SHIPPING & PACKAGING ] • Dispatch: Within 1-6 business days • Carrier: Japan Post EMS / UPS (with tracking) • Packaging: Carefully wrapped with protective materials
