A Kuraku-style black chawan named "Shiki no Tomo" — Companion of Four Seasons. The glaze holds a constellation of iron-rust streaks against deep black: fire-born, unrepeatable. The inscription box bears the hand of Musei Kangen. This bowl carries a name.
【 Basic Details 】 • Style: Kuraku Kuro Chawan (久楽黒茶碗) • Name (銘): Shiki no Tomo (四季之友 — Companion of the Four Seasons) • Dimensions: Height approx. 8.5 cm, width approx. 11 cm • Inscription box (書付箱) by Musei Kangen (夢聖寛見) • Condition: Excellent — no chips, cracks, or repairs
【 Cultural Insight 】 Kuraku — "久楽" — is a kiln name carried in the tradition of Raku ware, Japan's most revered form of hand-formed tea ceramics. Where standard Raku chawan are wheel-thrown and trimmed, Kuraku works in the hand-building tradition, pressing clay into a form that absorbs the maker's intention directly. The name "Shiki no Tomo" — Companion of the Four Seasons — marks this as a bowl conceived for the full arc of the tea year: both winter's severity and summer's openness reside in its proportions. The inscription box, written by a tea master, elevates this from ceramic object to certified tea utensil.
【 Deep Dive 】 The glaze surface reveals two distinct firing events in its surface: a primary dense black from iron oxide saturation, and secondary rust-copper tones where the glaze thinned near the shoulder — a phenomenon called "koge" (焦げ), fire-scorching. The rim is intentionally asymmetric, a quality valued in chawan as it offers the drinker a choice of drinking surface. The foot-ring is narrow and precisely cut. In photographs, the body reads as uniformly dark; in hand, light moves across its surface in response to how it is held.
【 Japanese 】 銘「四季之友」の久楽黒茶碗。黒釉に鉄錆色の景色が走り、窯変の一期一会の美しさを持つ。夢聖寛見による書付箱付き。楽焼の伝統を継ぐ端正な造形。
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