Kana Letters Attributed to Fujiwara no Yukinari (Twelve Letters): A National Treasure of Heian Calligraphy

Hidden within the flowing brushstrokes of twelve intimate letters lies a window into the emotional world of Heian-period Japan. The Kana Letters Attributed to Fujiwara no Yukinari (伝藤原行成筆仮名消息, Den Fujiwara no Yukinari Hitsu Kana Shōsoku) is a National Treasure of extraordinary beauty and historical significance. Owned by the renowned Kyoto stationery house Kyukyodo and deposited at the Kyoto National Museum, this masterwork of 11th-century calligraphy captures the elegance, intimacy, and refinement of courtly life during one of Japan's most culturally rich eras.

These twelve letters, brushed in graceful kana script with exquisite chirashigaki (scattered writing), offer far more than aesthetic pleasure. They tell a remarkable story of transformation — from personal correspondence to recycled paper, from forgotten relics to celebrated national treasure — spanning nearly a millennium of Japanese cultural history.

What Are the Kana Letters?

The Kana Shōsoku consists of twelve personal letters written in the flowing hiragana script that flourished during the Heian period (794–1185). The term shōsoku means "letters" or "personal correspondence," and these documents are believed to contain love letters and intimate communications exchanged among members of the Heian court.

Although traditionally attributed to the great calligrapher Fujiwara no Yukinari (972–1028), modern scholarship suggests that these letters were actually written by several skilled calligraphers active in the late 11th century — a period slightly after Yukinari's lifetime. Regardless of the exact identity of the writers, the calligraphy displays a mastery of kana brushwork that reflects the refined aesthetic sensibility cultivated at the peak of Heian court culture.

The letters are characterized by their free-flowing, rhythmic brushstrokes with skillful variation in line thickness, spacing, and ink density. The chirashigaki technique — in which characters are artfully scattered across the paper rather than aligned in neat columns — gives each letter a sense of visual dynamism and poetic movement.

Why Is This a National Treasure?

Designated as a National Treasure on November 22, 1952, the Kana Letters hold exceptional value for several reasons:

First, they represent some of the finest surviving examples of Heian-period kana calligraphy. The flowing beauty, rhythmic variation, and superb spatial composition of the letters embody the aesthetic ideals of the era. The scattered writing style demonstrates a mature command of brush technique that was considered the highest art form among Heian nobles.

Second, the letters serve as rare primary documents of personal communication from the Heian court. Unlike formal literary works or religious texts, these letters capture spontaneous human expression — feelings, thoughts, and emotions conveyed through the intimate medium of handwritten correspondence.

Third, the physical history of these letters is itself a remarkable cultural narrative. The reverse side of the letters bears the text of the Sanpō Kan'nō Yōryakuroku (三宝感応要略録), a collection of Buddhist tales about the miraculous powers of the Three Treasures (Buddha, Dharma, and Sangha). This dual-layered manuscript tells a fascinating story of how different generations valued and reused precious paper.

A Fascinating Story of Front and Back

Perhaps the most captivating aspect of this National Treasure is the remarkable journey its surfaces have taken over the centuries. The Kyoto National Museum researcher Tomohide Uesugi has eloquently described this transformation:

Originally, the kana letters were written on one side of the paper, with the reverse left blank. In the late 11th or early 12th century, however, paper was an extremely precious commodity. Someone collected these discarded letters and used the blank reverse side to copy the Sanpō Kan'nō Yōryakuroku. At this point, the letters were considered nothing more than recycled writing material. The Buddhist text was then bound in a stitched-binding format (fukurotoji), which folded the kana letters inward, effectively hiding them from view.

For centuries, the kana letters remained concealed. It was not until 1851, during the late Edo period, that the artist and antiquarian Reizei Tamechika — famous for his revival of classical Yamato-e painting — acquired the Buddhist manuscript from a temple. With his keen eye for courtly aesthetics, Tamechika recognized the extraordinary beauty of the kana writing hidden on the reverse. He carefully disassembled the bound book, turned the pages over to reveal the kana letters, mounted them on backing paper, and reassembled them into two handscrolls.

Thus, the work has undergone three transformations: first as personal letters (front: kana letters, back: blank); then as a Buddhist manuscript (front: Buddhist text, back: kana letters); and finally as a celebrated calligraphic treasure (front: kana letters, back: Buddhist text). Each generation found different value in these sheets of paper, and each act of preservation — whether intentional or incidental — contributed to the survival of this extraordinary work.

Fujiwara no Yukinari and the Art of Kana Calligraphy

To understand why these letters were attributed to Fujiwara no Yukinari, one must appreciate his towering significance in Japanese calligraphic history. Yukinari (also known by his honorary reading Kōzei) was one of the Sanseki — the "Three Brush Traces" — alongside Ono no Michikaze and Fujiwara no Sukemasa. Together, these three master calligraphers created, developed, and perfected the distinctly Japanese style of calligraphy known as wayō shodō.

Yukinari is credited as the founder of the Sesonji school of calligraphy, which became the most authoritative tradition of Japanese-style writing for centuries. His brushwork was celebrated for its mild elegance, exquisite line quality, and refined beauty. The courtiers of his day competed fiercely to obtain examples of his writing — even Sei Shōnagon, the famous author of The Pillow Book, was reportedly pestered by nobles eager to claim the letters Yukinari had sent her.

While modern research indicates that the Kana Letters were not actually written by Yukinari himself, the traditional attribution reflects the extraordinary quality of the calligraphy. The letters embody the elegant wayō aesthetic that Yukinari championed, making his name a natural touchstone for works of this caliber.

Highlights and Points of Appreciation

When viewing the Kana Letters, several features deserve special attention. The chirashigaki composition is masterfully executed, with characters and lines arranged in a seemingly spontaneous but carefully balanced manner. The varying density of ink — from bold, saturated strokes to pale, ethereal traces — creates a visual rhythm that echoes the emotional cadence of the letters themselves.

The brush technique shows remarkable versatility, with graceful curves, decisive turns, and flowing connections between characters that suggest the writer's hand moved with both confidence and sensitivity. The paper itself, though aged over nearly a thousand years, retains a warmth and texture that complements the calligraphy.

Visitors should also take time to observe the reverse side, where the Buddhist text Sanpō Kan'nō Yōryakuroku is written. The contrast between the flowing, personal kana on one side and the more formal Buddhist text on the other beautifully illustrates the dual nature of this extraordinary artifact.

A high-quality replica of the Kana Letters is on permanent display at the Kyukyodo main store in Kyoto. The replica is exhibited in a contemplative setting where visitors can experience the fragrance of traditional incense while viewing the graceful calligraphy — offering a multisensory encounter with Heian court culture.

Kyukyodo: Guardian of a National Treasure

The Kana Letters are owned by Kyukyodo (鳩居堂), one of Japan's most prestigious purveyors of incense, calligraphy supplies, and fine washi paper. Founded in 1663 on Teramachi Street in Kyoto, directly in front of the historic Honno-ji Temple, Kyukyodo began as an apothecary before gradually expanding into the world of incense and writing materials.

For over 360 years, Kyukyodo has been dedicated to preserving and promoting the traditional arts of Japanese correspondence and calligraphy. The company's stewardship of the Kana Letters reflects this deep commitment to cultural heritage. In 2020, the Kyoto main store was beautifully renovated with a design by the acclaimed architect Naito Hiroshi, creating a modern yet reverent space where visitors can explore traditional Japanese stationery, incense, and calligraphy supplies.

The store's exhibition space features the replica of the National Treasure, allowing visitors to appreciate the beauty of Heian-period calligraphy in an intimate setting that evokes the refined atmosphere of the Heian court.

Nearby Attractions

Kyukyodo's Kyoto main store is located on Teramachi Street, one of Kyoto's most charming shopping streets, making it an ideal starting point for cultural exploration.

Honno-ji Temple, famous for its association with the dramatic incident of 1582 involving Oda Nobunaga, stands directly adjacent to Kyukyodo. The Kyoto Museum of Crafts (renamed "Museum of Kyoto Crafts: Fureaikan") is a short walk away and showcases the city's rich tradition of artisanal craftsmanship. The Kyoto International Manga Museum, located nearby on Karasuma-Oike, offers a different perspective on Japanese visual culture.

For those wishing to see the original National Treasure when it is on display, the Kyoto National Museum in the Higashiyama district is approximately 20 minutes by bus or taxi from the Kyukyodo store. The museum periodically exhibits the Kana Letters as part of its rotating collection of calligraphic treasures.

The area around Kyukyodo also offers excellent dining and café options. The legendary Smart Coffee, a retro-style café established in 1932, is just steps away on Teramachi Street. For traditional Kyoto cuisine, the nearby Nishiki Market — known as "Kyoto's Kitchen" — provides a feast for the senses.