Shu: coin of Japan (Edo period); 1/16 ryō


1 shu, 1853-1865: Japan (Edo shogunate / Tokugawa shogunate)

1 shu, 1853-1865: Japan (Edo shogunate / Tokugawa shogunate)

Ruler: Emperor Kōmei (孝明天皇) — the 121st Emperor of Japan (1846-1867).

Rectangular silver coin, traditional for ancient Japan.

ND (no date).

1 Shu "Kaei Isshugin": the imperial era proclaimed during the Edo period and type of silver coin in the Edo period.

一 朱 銀: vertical inscription "One shu silver".

Incuse stamp (embossed image) in the form of a hieroglyph : a sign guaranteeing the presence in the coin of silver equal in price to the specified denomination (in this case — one shu).

常銀: Ginza (Silver Mint).

The term "ginza" ("gin" /silver/ and "za" /place/) in the medieval and modern ages was used to describe mints in Japan, where silver coins were manufactured and silver bullion traded.

是座: the name "Jouze" (Jōze) of the master of coinage (controller /inspector, governor/ of the ginza silver mint).

  • Silver (0.968): 17 mm - 1.95 g
  • Reference price: 29$

COIN SHU — WHERE & WHEN (coins catalog: by names & emitents)
  1. JAPAN (17th-19th centuries): shu = 250 mon = 1/4 bu =1/16 ryō

About the name of the coin shu: the name comes from the term "朱" (zhu), which means cinnabar (one of the oldest mineral paints: the main component — mercury sulfide).
According to another version, the name comes from the Chinese measure of weight zhu (later: an ancient Chinese coin) — an old measure of weight equal to the weight of 100 grains of millet.