1 Shu "Kaei Isshugin"

Features

Issuer	Japan
Emperor	Kōmei (1846-1867)
Type	Standard circulation coins
Years	1853-1865
Value	1 Shu (1⁄16)
Currency	Ryō (1595-1874)
Composition	Silver (.968)
Weight	1.87 g
Size	15 × 9 mm
Thickness	1.5 mm
Shape	Rectangular (irregular)
Technique	Hammered, Countermarked
Orientation	Medal alignment ↑↑
Demonetized	Yes
Number	N# 10811
References	C# 12 William D. Craig. Coins of the World. Racine, Wisconsin, United States (3 volumes). , JNDA# 09-53 Japan Numismatic Dealers Association (publisher). 日本貨幣カタログ. Japan Numismatic Dealers Association, Tokyo, Japan (37 volumes). , JC# 04-9 Ujisato Hanyu (ed.), Clark Smith (ed.), Koryu Katagiri (ed.); 2021. The Standard Catalog of Japanese Coins. Zeus Coin Gallery, Tokyo, Japan. , DHJ# 9.85 David Hartill; 2011. Early Japanese Coins. Self-published, Gamlingay, United Kingdom.

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Obverse

Incuse stamp 定 over 4 characters in pearl border

Script: Chinese (traditional, regular script)

Lettering:
定
常銀
是座

Translation:
Guaranteed
Ginza (Silver Mint)
Jōze (Mint Official)

Reverse

Denomination, consist of 3 vertical characters in pearl border

Script: Chinese (traditional, regular script)

Lettering:
一
朱
銀

Translation:
One
Shu
Silver

Edge

Vertical reeding on short sides
Slanted reeding on long sides

Mint

Ginza, Edo, modern-day Tokyo, Japan

Comments

Top left and right stroke of 常 are curved
________

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Date	VF	XF	AU	UNC		Frequency
Undetermined
ND (1853-1865)	$ 19	$ 20	$ 38	$ 38	Aa	18%
ND (1853-1865)					Ab	1.5%
ND (1853-1865)					Ac	0.8%
ND (1853-1865)					Ae	1.1%
ND (1853-1865)					Bd	3%
ND (1853-1865)					Ca	1.3%
ND (1853-1865)					Cb	0.9%
ND (1853-1865)					Cc	1.3%
ND (1853-1865)					Db	0.6%
ND (1853-1865)					Dc	0.4%
ND (1853-1865)					Dd	0.9%
ND (1853-1865)					De	0.4%
ND (1853-1865)					Ea	0.9%
ND (1853-1865)					Ec	2%
ND (1853-1865)					Ed	1.1%
ND (1853-1865)					Ee	1.9%
ND (1853-1865)					Fa	0.9%
ND (1853-1865)					Fb	0.8%
ND (1853-1865)					Fc	0.8%
ND (1853-1865)					Fd	0.9%
ND (1853-1865)					Fe	1.5%
ND (1853-1865)					Ga	0.6%
ND (1853-1865)					Gb	0.9%
ND (1853-1865)					Ha	1.3%
ND (1853-1865)					Hb	1.9%
ND (1853-1865)					Hd	4%
ND (1853-1865)					He	4%
ND (1853-1865)					Ia	3%
ND (1853-1865)				$ 16	Ib	2%
ND (1853-1865)					Ic	0.6%
ND (1853-1865)					Id	0.6%
ND (1853-1865)					Ie	2%
ND (1853-1865)					Proof	0.8%

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as an indication only; they are not intended to be relied upon for buying, selling or exchanging. Numista does not buy or sell coins or banknotes.

Frequencies show the percentage of Numista users who own each year or variety among all the users who own this coin. Since some users own several versions, the sum may be greater than 100%.

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Numista Rarity index: 18 Search tips

This index is based on the data of Numista members collections. It ranges from 0 to 100, 0 meaning a very common coin or banknote and 100 meaning a rare coin or banknote among Numista members.

Bullion value: USD 4.27 Search tips

This value is given for information purpose only. It is based on a price of silver at 2359 USD/kg. Numista does not buy or sell coins or metal.

Actual silver weight: 0.058 oz

Current silver price: 73.38 USD/oz (see silver price

)

Examples of the type

Picture 1 of the example of 1 Shu "Kaei Isshugin"

Picture 2 of the example of 1 Shu "Kaei Isshugin"

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Past sales

Pictures	Sale	Date	Version	Grade	Sold price
	Katz Auction 128 Lot 1499	3 Jun 2024	Undetermined	UNC	USD 29.03 (EUR 25.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 103 Lot 1912	9 Dec 2023	Undetermined	UNC	USD 29.03 (EUR 25.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 154 Lot 1938	12 Apr 2025	Undetermined	AU	USD 23.22 (EUR 20.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 154 Lot 1937	12 Apr 2025	Undetermined	AU	USD 23.22 (EUR 20.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 152 Lot 1858	8 Mar 2025	Undetermined	AU	USD 34.83 (EUR 30.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 148 Lot 1646	11 Jan 2025	Undetermined	AU	USD 17.42 (EUR 15.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 136 Lot 2942	28 Aug 2024	Undetermined	AU	USD 20.90 (EUR 18.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 123 Lot 1596	27 Apr 2024	Undetermined	AU	USD 18.58 (EUR 16.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 98 Lot 1744	14 Oct 2023	Undetermined	AU	USD 31.35 (EUR 27.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 177 Lot 1928	6 Dec 2025	Undetermined	XF	USD 25.54 (EUR 22.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.