Antique Japanese Pottery

A Comprehensive Overview of Antique Japanese Pottery

Japanese pottery is one of the oldest and most esteemed artistic traditions in the world, with its origins tracing back to the Jōmon period (approximately 10,500–300 BC). The term “Jomon” refers to the distinctive cord patterns that were impressed onto the pottery from this era, marking some of the earliest examples of decorative pottery in human history. These early pieces were unglazed and were fired in large bonfires using a basic technique known as “noyaki.”

The evolution of Japanese pottery underwent a significant shift during the Kofun Period (300-538 AD) with the introduction of covered kilns, which enhanced firing techniques. Over the centuries, Japanese ceramics continued to develop through various cultural transformations, with each era leaving its unique imprint on the craft. Early Japanese ceramics primarily consisted of stoneware and earthenware. Stoneware was fired at higher temperatures, resulting in non-porous vessels, whereas earthenware, fired at lower temperatures, remained porous unless it was glazed.

The cultural significance of pottery in Japanese society is profound. As Japan progressed through the Heian (794-1192), Kamakura (1185-1333), and Muromachi (1336-1573) periods, pottery became more intertwined with cultural and religious practices. The emergence of the tea ceremony (chanoyu) during the Momoyama period (1573-1603) greatly influenced the development of pottery as there was an increasing demand for specific types of bowls, containers, and utensils.

The Edo period (1603-1868) represented a golden age for Japanese pottery. Many styles that are now highly sought after by collectors either originated or were refined during this period. Regional kilns thrived under the patronage of local daimyo (feudal lords), each developing distinctive styles and techniques that reflected local aesthetics and the materials available in their regions.

The Meiji period (1868-1912) marked a crucial turning point in the history of Japanese pottery. As Japan ended its centuries of isolationism and embraced international trade, potters began creating works specifically for Western markets. The government actively promoted traditional crafts at international exhibitions as part of its modernisation policy, establishing Japanese ceramics as highly desirable art objects around the world.

Types and Characteristics of Antique Japanese Pottery

Satsuma Ware

Satsuma is one of the most internationally recognised styles of Japanese pottery, particularly famous during the Meiji period. It originated in the Satsuma domain, which is now part of Kagoshima Prefecture. The history of Satsuma ware dates back to the late 16th century when Korean potters were brought to Japan following the Imjin War (1592-1597).

Satsuma ware is primarily divided into two categories: Shiro Satsuma (white Satsuma) and Kuro Satsuma (black Satsuma). Shiro Satsuma, also known as Shiro Mon, is characterised by a distinctive ivory-coloured background with tiny surface crackles (crazing) in the glaze. This style is often adorned with intricate polychrome enamel and gilt designs that depict scenes from Japanese mythology, daily life, or natural landscapes. During the Meiji period, Shiro Satsuma became immensely popular in Western markets and was frequently exhibited at international expositions.

Kuro Satsuma, also known as Kuro Mon, is crafted from local iron-rich clay, yielding robust pottery with a rustic black finish. Historically, this style was more common for everyday use among the Japanese people, featuring utilitarian items such as tea bowls and dishes finished with black, brown, or buckwheat-coloured glazes.

Imari and Arita Ware

Arita ware, often referred to as Imari after the port from which it was shipped, marks Japan’s first successful production of porcelain. Developed in the early 17th century in Arita, Saga Prefecture, these wares gained international recognition when China’s porcelain industry faced difficulties during the mid-17th century. As a result, European markets turned to Japan, prompting the Dutch East India Company (VOC) to export substantial quantities of Japanese porcelain to meet Western demand.

Characteristic Imari pieces display underglaze cobalt blue decorations enhanced by overglaze enamels in red, green, yellow, and gold. This style had a substantial impact on European porcelain manufacturers, including Meissen, Herend, and Royal Crown Derby. Within the Arita tradition, several notable styles emerged:

Kakiemon: A style introduced by Sakaida Kakiemon (1596-1666), renowned for its well-shaped porcelain featuring asymmetrical designs, vibrant colours, and a distinctive ivory-white background. This style had a profound influence on European porcelain decoration.
Kinrande: A luxurious style that originated around 1690, characterised by cobalt blue underglaze paired with extensive gold overglaze decoration. This is what many Europeans associate with the term “Old Imari.”
Some-Nishiki: A hybrid style featuring cobalt blue underglaze and colourful overglaze enamels, but with less gold than Kinrande pieces.

Raku Ware

Raku is a uniquely Japanese pottery tradition that is closely associated with Zen Buddhism and the tea ceremony. It was first developed by Chojiro, the founder of the Raku family, under the guidance of tea master Sen no Rikyu in the late 16th century. Raku ware is distinguished by its hand-formed construction, as opposed to being wheel-thrown, and by its low-temperature firing process.

Traditional Raku pottery comes in two main types: black (kuro-raku) and red (aka-raku). The black variety is created by removing the pottery from the kiln at peak temperature and cooling it rapidly. This results in a distinctive matte black finish that reflects the aesthetic principle of “wabi,” which embraces the beauty of imperfection. The red variety features a transparent glaze over red clay, fired at around 800°C.

The Raku family has developed several unique glazing techniques that are signature elements of this style:

Jakatsu-gusuri (snake’s scale glaze): A white glaze line that runs along the edge of the black glaze.
Maku-gusuri (curtain glaze): A second glaze is applied over the initial glaze, creating a curtain-like effect.
Shu-gusuri (vermilion glaze): A copper-based addition to the black glaze that creates a mottled red-black pattern.
Kihage-gusuri (yellow glaze): A yellow glaze that appears to peel away from the black glaze underneath.
Suna-gusuri (sand glaze): Fine grains of sand are added to the glaze to create a rough textured surface.

Bizen Ware

Bizen ware, which dates back to the Heian period, is Japan’s oldest pottery-making tradition. It originated in the Bizen province, now part of Okayama Prefecture. This unglazed stoneware is recognised for its earthy tones and unique ash effects. The distinct characteristics of Bizen ware are due to the high iron content in the local clay and the long wood-firing process, which typically lasts two weeks at temperatures exceeding 1200°C.

What makes Bizen ware particularly special is that its surface decoration results entirely from the firing process rather than the application of glazes. Several unique effects characterise Bizen ware:

Sangiri: Areas where the flame contacts the pottery turn reddish-brown, while portions covered in ash become black or grey.
Hidasuki: Red markings created by wrapping rice straw around the pottery during firing.
Goma (sesame): Ash falls naturally on the pottery and melts at high temperatures, creating speckles that resemble sesame seeds.
Botamochi: Discolouration that occurs where pieces touch while stacking in the kiln.
Aobizen: A rare blue colouration created through reduction firing.

Bizen ware is valued not only for its aesthetic appeal but also for its practical qualities. Its sturdy construction makes it remarkably durable, and its intricate internal structure provides excellent heat retention, making it ideal for serving both cold beer and hot tea. Additionally, the porous nature of Bizen enhances the flavour of sake and other beverages over time.

Karatsu Ware

Karatsu ware originated in Saga Prefecture and reflects strong Korean influences, as it was first produced by Korean potters brought to Japan after the Imjin War. This pottery is highly valued for use in tea ceremonies, and there is a well-known saying that ranks tea bowls: “First Ido, Second Raku, and Third Karatsu.”

Karatsu tea bowls are characterised by distinctive features such as the “Mikaduki-koudai” (crescent-shaped foot) and “Zarame” (red rough clay). Several styles have developed within the Karatsu tradition:

Oku-Gorai: Plain, rustic bowls that emulate Korean tea bowls, featuring feldspar glaze in colours that range from loquat to white to orange.
E-Karatsu: These bowls showcase brush-decorated motifs created with iron-rich slip beneath a feldspar or wood ash glaze.
Chosen (Korean) Karatsu: This style employs two glazes—cloudy straw glaze and amber glaze—in successive layers, creating flowing patterns.
Madara (Mottled) Karatsu: These bowls are coated with a glaze made from white rice straw ash, which produces a distinctive mottling effect.

Other Significant Styles

Kutani Ware: Known for its vibrant polychrome overglaze enamels and distinctive designs, Kutani Ware originated in the 17th century but gained prominence during the Meiji period, primarily for export markets.
Kyoto Ware (Kyo-yaki): This category encompasses several substyles, including Kiyomizu ware and Kenzan ware. Kyoto ceramics are celebrated for their refined elegance and painterly decorations.
Oribe Ware: Named after tea master Furuta Oribe, this style is characterised by distinctive green copper glazes, bold geometric patterns, and innovative shapes that deviate from traditional forms.
Shigaraki Ware: As one of Japan’s “Six Ancient Kilns,” Shigaraki pottery is recognised for its rough texture, natural ash glazes, and the aesthetic concept of “wabi-sabi,” which finds beauty in imperfection.

Techniques and Materials

The remarkable diversity of Japanese pottery stems from the diverse techniques employed in its creation. Traditional methods include:

Clay Preparation and Forming

Japanese potters carefully selected and processed local clays, often ageing them for several years to enhance their plasticity. Different regions utilised distinctive clays, ranging from the iron-rich clay of Bizen to the white porcelain stone found in Arita. The clay-forming techniques included:

Hand-building: This method was particularly important for Raku ware and early Japanese pottery.
Wheel-throwing: Used for creating more symmetrical forms, especially in porcelain production.
Coiling: This technique involves building vessels by stacking coils of clay, a method that dates back to the Jomon period.

Glazing and Decoration

Glazing techniques have evolved significantly over the centuries, transitioning from simple ash glazes to more complex formulations:

Natural Ash Glazes: These glazes are formed when wood ash falls onto the clay surface during firing, melting to create a natural glaze.
Feldspar Glazes: These glazes are particularly important in the production of Karatsu and Shino wares.
Iron Glazes: These glazes are used to produce rich browns, ambers, and blacks.
Copper Glazes: Known for creating the distinctive green found in Oribe ware.
Overglaze Enamels: Applied after the initial firing and then refired at a lower temperature, these glazes enable vibrant colours and fine detail.

Decorative techniques included:

Underglaze painting: This technique typically uses cobalt oxide to create blue designs before applying the glaze.

Overglaze enamels: These are applied on top of the glaze and then refired at lower temperatures.

Slip decoration: This involves applying liquid clay mixtures to create contrasting surfaces.

Sgraffito: This technique involves scratching through a layer of slip to reveal the underlying clay.

Mokume: This method creates wood-grain-like patterns in the clay. Glazing techniques have evolved significantly over the centuries, transitioning from simple ash glazes to more complex formulations:

Natural Ash Glazes: These glazes are created when wood ash falls onto the clay surface during the firing process. The ash melts, forming a natural glaze.

Feldspar Glazes: These glazes play a crucial role in the production of Karatsu and Shino wares.

Iron Glazes: These glazes are used to achieve rich shades of brown, amber, and black.

Copper Glazes: Known for producing the distinctive green colour found in Oribe ware.

Overglaze Enamels: These are applied after the initial firing and then refired at a lower temperature. They allow for vibrant colours and intricate details.

Firing Methods

Firing techniques have a significant impact on the final appearance of Japanese pottery:

Anagama kilns: These are single-chamber tunnel kilns that are wood-fired for extended periods.
Noborigama kilns: These multi-chambered climbing kilns allow for more efficient firing.
Oxidation firing: This technique involves ample oxygen, resulting in brighter colours.
Reduction firing: This method limits oxygen, producing distinctive effects in glazes and clay.
Raku firing: In this process, pieces are removed from the kiln at peak temperature and rapidly cooled.

Collectability and Authenticity

Antique Japanese pottery is an intriguing area for collectors, merging aesthetic beauty, cultural significance, and historical value. The most collectable periods include:

Edo Period (1603-1868): This era marks the pinnacle of traditional Japanese pottery before Western influence took hold.
Meiji Period (1868-1912): This period saw the creation of exceptional pieces specifically designed for export markets and international exhibitions.
Taisho Period (1912-1926): This era continued the high-quality traditions set during the Meiji period.

When evaluating the authenticity and value of antique Japanese pottery, collectors should consider the following:

Marks and Signatures: Many high-quality pieces feature the signatures or marks of renowned potters or workshops, which can be painted, impressed, or incised into the clay.
Craftsmanship: The level of potting, glazing, and decoration can vary widely. The finest pieces showcase precise craftsmanship, balanced proportions, and meticulous attention to detail.
Condition: Chips, cracks, repairs, and restoration work can significantly impact a piece’s value. That said, some age-related wear, especially to the glaze, is typical and may not necessarily detract from its authenticity.
Provenance: A documented history of ownership can increase a piece’s value and confirm its authenticity, particularly for exceptional items.