Keizan Shirashi-gata Chawan — White Glaze Tea Bowl with Iron Brush Markings, Tomobako

A white glaze Keizan chawan in the shirashi-gata form — handmade matcha bowl with iron oxide brush markings, Japanese tea ceremony bowl, wabi-sabi tea bowl, signed tomobako artist box, antique chawan for tea ceremony, white shiro glaze pottery, kodo tea utensil, vintage Japanese ceramics collectible. The surface carries the quiet authority of earth remembered.

🔹 [ Basic Details ]
• Artist: Keizan (桂山), seal signed on tomobako lid
• Form: Shirashi-gata (white-glaze style form)
• Technique: High-fired stoneware with white shiro glaze; natural iron-oxide brush markings
• Origin: Japan
• Dimensions: W 12 cm × H 7 cm
• Box: Tomobako (original signed wooden box)
• Condition: No cracks, chips, or restoration. Fine mineral speckle on interior is inherent to the firing.

🔹 [ Cultural & Artistic Insight ]
The shirashi-gata is a tea bowl form devoted entirely to the properties of white. Not the white of porcelain's precision, but the white of ash and feldspar collapsed into warmth — subtly cream, subtly grey, alive with mineral incident. Where the iron-rich brush strokes cross the glaze, they read like dry brush on paper: the gesture of a landscape rather than its description. Keizan works within a lineage that understands restraint as the highest form of expression.

🔹 [ Deep-Dive Commentary ]
The form of this chawan speaks to the shirashi tradition: a gently widening cylinder held by a modest foot ring, with a rim that is neither circular nor irregular but something negotiated between the two. This negotiation is the work — not accident, not artifice, but attentiveness.

The white glaze carries a fine pore structure visible up close, characteristic of slow cooling in a reduction atmosphere. Scattered iron particles emerge as dark speckle through the glaze surface, each one a record of the clay body's mineral composition. On the exterior, warm ochre iron-oxide brush markings move across the shoulder in broad, unhurried strokes — abstract but purposeful, suggesting mountain slopes or dry riverbed at distance.

For the collector, what distinguishes this piece is the interior: seen from above, the glaze pools very slightly toward center, and the fine speckle distributes in a way that appears almost astronomical — a quiet sky held in a bowl. The tomobako is in good condition, bearing the artist's calligraphy and seal in red, confirming authenticity.

In the hand, the weight is considered: not too heavy to feel like burden, not too light to feel inconsequential. The foot ring sits cleanly. This is a bowl made for use.

【日本語説明】
🔹 [ 基本情報 ]
• 作者：桂山（銘款入り共箱）
• 形式：白志型
• 技法：白釉、鉄絵具による刷毛目
• 寸法：W12cm × H7cm
• 箱：共箱（木箱・蓋書付）
• 状態：割れ・欠け・補修なし。内部の鉱物斑点は焼成による自然なものです。

🔹 [ 文化・芸術的背景 ]
白志型は「白」という釉の本質に向き合う形式です。磁器の白ではなく、灰と長石が溶け合った温かみのある白。鉄絵の刷毛目が横切る場所では、乾いた筆が紙を走るような——風景の描写ではなく、その気配を伝えます。

🔹 [ コレクター向け解説 ]
内部から見ると、釉薬がわずかに中央へ溜まり、細かな鉄斑が全体に分布しています。星空を閉じ込めたような静けさ。共箱は良好な状態で、作者の書付と朱印が真作を保証します。

🔹 [ SHIPPING & PACKAGING ]
• Dispatch: Within 1-6 business days
• Carrier: Japan Post EMS / UPS (with tracking)
• Packaging: Carefully wrapped with protective materials