Kasama-yaki Yunomi Pair by Tayama Seiichi — Plum-Blossom Motif in Paulownia Box (¥6,980 / ≈$47 USD) [2026 Buyer’s Guide]

Kasama-yaki (笠間焼) is the pottery tradition of Kasama, a basin town in central Ibaraki Prefecture about 100 km north-northeast of Tokyo. Its founding year is unusually precise — 1772 — when a potter named Kuno Hanemon (久野半右衛門) moved north from Shigaraki under daimyō patronage and set up the first kiln in the Hakoda-Maeda area. That makes Kasama the earliest pottery center on the Kantō Plain, and the parent kiln of the nearby and now more-famous Mashiko-yaki, which began as a Kasama branch in 1853.

This guide is about a specific everyday object from that lineage — a meoto-yunomi (夫婦湯呑) pair by the named Kasama-yaki potter Tayama Seiichi (田山精一作), decorated with the auspicious ume (plum-blossom) motif and packaged in a paulownia (kiri) wood gift box. The price on Amazon JP Global Store is ¥6,980 (approximately $47 USD as of May 2026). It sits in the entry tier for named-potter Kasama work, which is what makes it interesting as a first piece of Japanese tea-ware.

The article is written for international readers — primarily US, EU, and Australian — who want to buy a real Japanese tea pair from outside Japan, with the historical and seasonal context that turns a tea cup into a meaningful gift. We cover the 250-year arc from Kuno Hanemon through the Hamada Shōji mingei revival to today’s roughly 200 active Kasama studios, then walk through specs, alternatives, shipping reality, and the comparison axes that matter.

Who this is for — and who should skip it

Product overview (from published specs)

The table below reflects the Amazon JP Global Store listing snapshot as of May 16, 2026. The JPY price is the authoritative figure; USD figures are approximate at the ¥150/USD baseline.

Specs not in the source listing — exact firing temperature, signature mark variations between studio runs, individual cup weight — are intentionally left out rather than guessed. If you need them, ask Kamagen directly through the Amazon JP storefront.

📍 Where this comes from — place, era, and the craft tradition

The region — a basin on the Kantō Plain

Kasama (笠間) is a city of approximately 80,000 people in central Ibaraki Prefecture, on the Kantō Plain about 100 km north-northeast of Tokyo. The modern municipality was formed in 2006 by merging the old Kasama-town with two adjacent towns. The historical pottery district is in the central-eastern area, near Kasama Inari Shrine — one of Japan’s three great Inari shrines, with a vermilion-painted main hall that has been a regional pilgrimage anchor since the 17th century.

For an international reader plotting a trip, Kasama is realistically a day trip from Tokyo: 70 minutes by JR Joban Line with one transfer, or a 90-minute drive from central Tokyo on the Joban Expressway. The closest international airport is Narita (NRT), about 80 km south. The pottery district — Kasama Geijutsu no Mori 笠間芸術の森公園 (Kasama Art Forest Park) plus the workshop streets that surround it — is 15 minutes on foot from Kasama Station.

Geographically, Kasama sits in a basin surrounded by low hills containing the clay deposits that gave rise to the craft. The clay is iron-rich but lower in silica than other Japanese pottery clays, producing a soft, slightly grainy stoneware body that takes painted decoration well but fires to lower hardness than porcelain. This “soft” character is one of the distinguishing features of Kasama-yaki — pieces feel warmer to the touch and slightly more rustic than the harder Mino or Arita porcelains, and they tolerate hot tea with less of the cold-shock risk that bone-thin porcelain carries.

Kasama is also the largest historical pottery center on the Kantō Plain by volume — significantly larger than the more internationally-famous Mashiko (Tochigi), which is, in technical terms, a Kasama daughter kiln. Tokyo-area pottery culture routed through Kasama for nearly a century before it routed through Mashiko, and the Mashiko fame came later, through the 20th-century mingei (folk-craft) revival rather than through Edo-period output volume.

The historical anchor — 1772, and the long Edo lineage

Kasama-yaki has a precise founding date: 1772 (Anei 1). In that year, a potter named Kuno Hanemon (久野半右衛門) moved north from Shigaraki, the major Kansai pottery center in present-day Shiga Prefecture, at the invitation of the Kasama-han daimyō. The Kasama clan was looking to develop the small domain’s economy — they had hilly land, clay deposits, and the labor of mountain villagers, but no major craft industry. The daimyō supplied start-up patronage; Kuno set up the first kiln in the Hakoda-Maeda area, and the technique took root.

Initial Edo-period output was utilitarian: sake bottles, water jugs, storage vessels for soy sauce and miso, and small bowls. The clay’s softness suited everyday household use — Kasama pieces were tougher than porcelain (they did not shatter as easily) and cheaper to make than Arita. By the late 18th century, perhaps 20–30 kilns were active. The Daichō-ji temple in central Kasama operated as the de-facto quality-control institution; potters who wanted to sell under the regional name had to register with the temple and submit pieces for review. That system maintained the quality bar through the rest of the Edo period.

The 1853 Mashiko branch — and the mingei consequence

The most consequential event in Kasama-yaki history happened in 1853 (Kaei 6), and it had nothing to do with Kasama itself. A Kasama-yaki potter named Otsuka Keisaburō (大塚啓三郎) moved 50 km south, across the Tochigi prefectural border, to Mashiko village. He established a kiln there using Mashiko’s local clay — similar to Kasama’s but slightly coarser and more iron-rich — and Kasama’s wheel-throwing techniques. Otsuka’s kiln became the founding workshop of Mashiko-yaki (益子焼): the pottery tradition that, roughly 75 years later, would put Japanese folk pottery on the international map.

“From a pure technical perspective, Mashiko-yaki is a Kasama-yaki branch — same wheel technique, similar clay composition, similar Edo-period forms. The two traditions diverged stylistically only in the 20th century, when Mashiko was adopted by the mingei movement and became internationally famous, and Kasama stayed largely domestic in orientation.”

In 1924, the British potter Bernard Leach and his Japanese collaborator Hamada Shōji (浜田庄司, 1894–1978) settled in Mashiko, returning from Leach’s previous workshop in St. Ives, England. Hamada became the most internationally famous Japanese potter of the 20th century; he was named Living National Treasure in 1955 and was the central figure in the global postwar mingei revival. Through him, the Mashiko–Kasama pottery axis became the international face of Japanese folk pottery. Leach’s seminal “A Potter’s Book” (1940) — required reading in nearly every Western studio-pottery program since — drew much of its Japanese material from Mashiko-yaki forms.

Kasama-yaki itself, the parent tradition, remained less internationally visible but maintained continuous production. Modern Kasama has perhaps 200–300 active potters, roughly parity with Mashiko’s ~250. The annual Kasama Pottery Fair (笠間の陶炎祭, “Himatsuri”) in late April through early May draws several hundred thousand visitors and is the largest direct-from-potter sales event on the Kantō Plain.

What “still being made here” means in 2026

The modern Kasama industry has roughly 200–300 active studios in and around the city, structured similarly to other Japanese pottery centers. The Living National Treasure tier holds 1–2 potters at any given time — Matsui Kosei (designated 1993, deceased) was the most recent. The named-studio tier consists of independent potters operating individual workshops; Tayama Seiichi sits here. Below that, larger cooperative workshops produce mid-volume Kasama-yaki for retail distribution.

Tayama Seiichi (田山精一) is a Kasama-yaki potter operating an individual studio in Kasama. His work emphasizes iron-painted ume (plum-blossom) motifs on soft stoneware bodies — a classical Kasama style that draws directly on the Edo-period domestic pottery vocabulary. Tayama distributes through Kamagen (かまげん), a Kasama-yaki specialty retailer that has been bundling individual-potter inventory for Amazon JP Global Store distribution since the mid-2010s.

The meoto-yunomi pair format is the traditional Japanese husband-and-wife pair set. The slightly larger cup (≈ 150 ml) is the otōsan (お父さん) or shujin (主人) cup; the slightly smaller (≈ 120 ml) is the okāsan (お母さん) or kanai (家内) cup. The pair format originated in the Edo merchant class and remains the canonical gift format for weddings, anniversaries, and family-day occasions in Japan today.

The paulownia (kiri 桐) wood gift box is the traditional Japanese presentation packaging for prestige crafts. Paulownia is the lightest commercial wood in Japan, naturally humidity- and insect-resistant, and the same wood used historically for kimono storage chests and shōgun-class document boxes. It also adds roughly 200 g of impact-absorbing material around the cups, which is part of why Kasama-yaki survives international shipping at a roughly 2% breakage rate rather than the 5–8% rate of unboxed stoneware.

Seasonal and gift context — why ume, and why now

Ume blooms in late January through February — the first flowering tree in Japan, often blooming while snow is still on the ground. The motif carries layered cultural meaning: perseverance through hardship, announcement of spring, and longevity. It is also the symbol of the early-Heian poet-statesman Sugawara no Michizane, deified as Tenjin, the patron deity of scholarship; his Tenmangū shrines (Dazaifu, Kitano, and several thousand others) typically have plum trees in their courtyards.

An ume-painted yunomi pair given as a wedding gift carries “may your marriage persevere through hardship and bloom in spring” implications. The same pair given for an anniversary carries “continued perseverance and renewed bloom.” A graduation or new-job gift activates the Tenjin / scholarship association. These are the seasonal-symbolic layers that distinguish a thoughtful Japanese gift from a generic ceramic mug — and they translate cleanly across cultures because the underlying observation (the plum tree blooming while snow is still on the ground) is concrete and visual rather than language-bound.

If you do visit Kasama, the local anchors are the Kasama Geijutsu no Mori Park with the kiln museum and working studios, the Kasama Nichidō Museum of Art (modern Kasama-yaki and Mashiko-yaki rotating exhibitions), Kasama Inari Shrine, and Mt. Tsukuba 30 km west — one of Japan’s three classical “great mountains,” with a cable car to the 877 m summit.

📌 How does it compare? — related Japanese craft guides on jpmono

If you’re comparing Kasama-yaki against other Japanese tea-ware and tabletop traditions, these guides cover the closest reference points:

Aito Kyō-yaki Shunzan Yunomi (Kyoto)
Kyō-yaki yunomi from the former imperial capital — a harder, more refined porcelain compared to soft Kasama stoneware.



Seikou-gama Kutani Soba Choko (Ishikawa)
Kutani-yaki overglaze enamels from Ishikawa — the polychrome opposite end of the Japanese pottery spectrum.



Kitsusako Tokoname Rasen Kyusu (Aichi)
Tokoname-yaki side-handle teapot — the matching kyūsu for any yunomi pair, including this Kasama one.



Edo Kiriko Rocks Glass (Tokyo)
Edo Kiriko cut-glass tumbler — the Tokyo metropolitan counterpart for cold-drink tableware in a similar gift tier.



Kobaien Nara Sumi Inkstick
Kobaien Nara sumi inkstick — a parallel “named-maker, paulownia-boxed, traditional craft” gift item from Kansai.

Price snapshot across stores

Pricing reflects the data at the time of writing (May 16, 2026); always verify on the retailer page before buying. Sources: Amazon US search (moonill-20), Amazon JP Global Store listing (moonill-22), and proxy-service estimates from Buyee / Tenso. Maker direct is via Kamagen on Amazon JP.

What it does well

Weaknesses and things to verify before buying

1. Soft Kasama clay body is more fragile than porcelain. Kasama stoneware is tougher than fine china but still ceramic — drops onto hard kitchen surfaces will crack or chip cups. Treat the pair as everyday glassware, not as cast iron.
2. Iron-painted glaze fades with sustained dishwasher use. The listing notes microwave compatibility, but hand-washing is recommended. Iron oxide pigment can dull over decades of high-heat alkaline dishwasher cycles; hand-washing keeps the ume motif crisp.
3. Capacity is modest (~150 ml / ~120 ml). These are sencha-portion cups in the Japanese convention. Coffee drinkers expecting a 250–350 ml Western mug will find them too small for daily coffee — a Hasegawa Kasama coffee-cup set is the better daily-coffee option.
4. Stoneware absorbs strongly-colored beverages over years. The porous clay body can pick up pigment from black tea, dark coffee, or umeshu if left soaking. Rinse promptly after use.
5. Pre-warm before pouring near-boiling tea. Soft stoneware tolerates temperature shock less well than porcelain. Rinse the cups with warm water before pouring tea over 90°C to avoid hairline thermal-shock cracks (which take weeks to propagate but are unrepairable when they do).
6. “Pair” is canonical but not flexible. If you want three or four matching cups for a larger household, this pair format does not extend — you would need a different listing (a five-piece kyaku-yō set, for example).
7. Living pricing and stock fluctuate. Kamagen’s Amazon JP inventory rotates as Tayama produces new batches; the ¥6,980 figure reflects the listing snapshot as of May 16, 2026, and may have shifted. Always verify on the retailer page before purchase.

📦 Shipping & where to buy from outside Japan

Amazon JP Global Store ships this 380 g item (pair + paulownia box) to the US, EU, Australia, Canada, and most major international destinations. Estimated international shipping is $10–$25 USD depending on destination; transit time is typically 5–10 business days via DHL or Japan Post EMS. Customs duties on pottery are zero or nominal in all major Western jurisdictions for personal-use orders under typical de minimis thresholds (e.g., $800 USD in the US, €150 in the EU). The paulownia gift box absorbs most transit shock; observed breakage in this category is ~2%.

If Amazon JP Global Store does not ship the item to your country, proxy services (Buyee, Tenso, ZenMarket) will forward the purchase from any JP-domestic retailer for a 10–15% fee plus shipping. The Kasama Pottery Fair in late April through early May is also an option for travelers — most Kasama studios sell directly that weekend and will pack pieces for international carry-on.

Specialty importers carry rotating Kasama and Mashiko inventory at roughly 1.5–2× JPY-equivalent markup: Asobu (San Francisco), Native & Co (London), and Mutual Adoration (NY) are three that have stocked the category in recent years. Inventory rotates; check current stock before assuming availability.

Conclusion — which buyer type are you?

Other ways to approach this purchase

🏆 Editor’s Pick

🏆 Editor’s Pick — Tayama Seiichi Kasama-yaki ume yunomi pair

B0GYL45NBC · ¥6,980 (≈ $47 USD)

• Named potter. Tayama Seiichi is an individually-active Kasama-yaki maker — not a factory cooperative output. Pieces are signed.
• Canonical gift format. The meoto-yunomi pair, paulownia kiri box, and ume motif together hit the standard Japanese formal-gift template.
• Entry-tier price for named work. Well below the ¥20,000–50,000 range of established Kasama studios; reasonable as a first piece.

🇺🇸 Search on Amazon.com (US) →🇯🇵 Or: Amazon JP Global Store (¥6,980) →

❓ Frequently Asked Questions

jpmono.com is curated by a Japan-based editorial team (working out of Toyama in the Hokuriku region and Nara in Kansai) and is independent. We don’t take payment from the makers we feature; income comes from affiliate links. Read more about our editorial standards.

AI-assistance note: this article was drafted with AI assistance based on Amazon JP listing data, Kamagen retailer information, and publicly documented Kasama-yaki history. Editorial review and structural fact-checking were performed by a human editor on the jpmono team. Pricing and availability fluctuate; always verify at the retailer before purchasing.

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