A Raku chawan by the first-generation Higaki Souraku of Kei-gama, covered entirely in a black-red volcanic glaze that holds red iron particles suspended in a dark field — a surface that moves between crimson and black depending on the light. This kuro-beni-yu Raku tea bowl by Higaki Souraku carries the wide, low silhouette of the Raku school: compressed body, squared wall, a pinched mouth that breaks the rim's geometry. The signed tomobako confirms the work.
🔹 [ Basic Details ] • Artist: 1st-generation Higaki Souraku (初代 檜垣崇楽), Kei-gama kiln (桂窯) • Ware: Raku-ware (楽焼) • Glaze type: Kuro-beni-yu (黒紅釉 — black-red glaze) • Dimensions: Diameter 12.1 cm × height 8.0 cm • Box: Original signed wooden box (共箱), artist signature and Souraku seal confirmed; no accompanying cloth • Condition: No chips, no repairs; excellent condition
🔹 [ Cultural & Artistic Insight ] Raku ware occupies a singular position in Japanese ceramic history: it was made specifically for the tea ceremony, shaped by hand without the wheel, and fired at low temperature in a small kiln that allows the maker direct control over the cooling atmosphere. The black glaze (kuro-raku) is the school's most iconic expression, developed in the 16th century and associated with Sen no Rikyu's austere tea aesthetic. The kuro-beni-yu — a variant that introduces red iron oxide into the black field — is a more complex surface that does not appear in the classic Raku canon; it is a development of later independent Raku-tradition kilns. Kei-gama's expression of this glaze shows red particles embedded in a dense, slightly matte black, creating a surface that reads like night sky or volcanic stone.
🔹 [ Deep-Dive Commentary ] The form of this bowl is unmistakably Raku in intention. The walls are thick and hand-compressed, not thrown; the silhouette has the characteristic compressed cylinder shape that Raku school makers have maintained since the 16th century. At 12.1 cm diameter and 8.0 cm height, the bowl is wider than tall — the Raku proportion that creates a low center of gravity and makes the bowl stable in the hands during ceremony.
The pinched notch in the rim is a deliberate formal gesture: it creates an orientation, a front and back, and gives the practitioner's hands a reference point for the ceremonial rotation of the bowl. This feature appears consistently in Raku-tradition work and marks the maker's awareness of the bowl's function in practice.
The black-red glaze (kuro-beni-yu) is the most visually distinctive element. Under different light conditions — angled natural light, overhead light, candlelight — the glaze shifts between deep black with red sparks, even crimson, and a dark burgundy. This variability is not instability; it is the glaze's way of presenting multiple faces without moving. The surface texture is slightly granular, not glassy — the iron particles in the glaze have not fully melted into the matrix, leaving a texture that catches light at the microscopic level.
The tomobako has 「黒紅釉茶碗」written on the lid in the artist's hand, with the Souraku seal below. The calligraphy is assured. This is a first-generation piece: the kiln is Kei-gama, the name Souraku is the artist's chosen studio name, and the piece was made with the full formal apparatus of the Raku tradition — hand-building, low-fire, named glaze, signed box.
🔹 [ SHIPPING & PACKAGING ] • Dispatch: Within 1-6 business days • Carrier: Japan Post EMS / UPS (with tracking) • Packaging: Carefully wrapped with protective materials
