4 Mon "Kan'eitsūhō" Ansei Copper Alloy; 11 waves

Features

Issuer	Japan
Type	Standard circulation coins
Years	1857-1859
Value	4 Mon
Currency	Mon (683-1891)
Composition	Copper
Weight	4.34 g
Diameter	27 mm
Thickness	0.9 mm
Shape	Round with a square hole
Technique	Cast
Orientation	Medal alignment ↑↑
Demonetized	Yes
Number	N# 162216
References	Hartill# 4.256 David Hartill; 2017. Cast Chinese Coins (2^nd Edition). Self-published, London, United Kingdom.

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Obverse

Four characters around the square hole

Lettering:
　寛
寶　通
　永

Translation: Currency of Kan'ei

Reverse

11 waves

Edge

Plain

Comments

Ansei-sen will be darkish in color.

Almost all Ansei-sen will be 小字, but other variants are also exist.

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Date	F	VF		Frequency
Undetermined
ND (1857-1859)			_unknown variant	22%
ND (1857-1859)	$ 7.80	$ 7.80	小字; 永 with small head point straight left and long left leg; low 通 with head マ far from rim	71%

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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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.