Japan Tenpō 1 Bu Silver — 1837–1854 (JNDA-09-50), AU 55
A fascinating Tenpō-era 1 Bu (Ichibugin), issued in Japan between 1837 and 1854 during the late Edo period of the Tokugawa shogunate. Unlike the dated decimal coinage of the later Meiji era, this historic piece belongs to Japan's traditional monetary system and is undated, with the type identified by its design and inscriptions.
The Tenpō 1 Bu was a rectangular silver coin valued at one-quarter of a ryō. It weighs approximately 8.66 grams and was struck in exceptionally high-purity silver of approximately 98.6%, making it one of the finest-silver circulating issues of late Edo Japan.
The coin's distinctive design is surrounded by cherry blossoms, one of Japan's most enduring cultural symbols. One side displays the characters 一分銀 (1 Bu Silver) within a rectangular border. The opposite side carries the official Ginza silver-mint guarantee and other mint inscriptions, including the Jō countermark. The carefully arranged inscriptions and floral border give the coin a uniquely Japanese appearance.
The Tenpō 1 Bu was released into circulation beginning in January 1838. Approximately 78.9 million pieces were produced during the 1837–1854 period. These coins circulated throughout Japan during the final decades of the Edo period, just before the dramatic political transformation that would bring about the Meiji Restoration in 1868.
This example is graded AU 55 (About Uncirculated), indicating a well-preserved coin with only light evidence of circulation and substantial remaining detail. Its high silver content, traditional rectangular form, and historic Edo-period origin make it particularly appealing to collectors of Japanese feudal coinage and early Japanese silver.
The Tenpō 1 Bu is more than simply an old Japanese coin—it is a tangible piece of the Tokugawa shogunate's monetary system, dating from a time when Japan was still largely isolated from the Western world. Within a few decades of this coin's production, Japan would enter the Meiji era and embark on an extraordinary transformation into a modern nation.
A beautiful and historically important late-Edo Japanese silver coin, combining exceptional silver purity, distinctive cherry-blossom decoration, and the fascinating history of Japan's traditional monetary system.
