1 Sen - Shōwa Heavy type

Features

Issuer	Japan
Emperor	Shōwa (1926-1989)
Type	Standard circulation coins
Years	16-18 (1941-1943)
Calendar	Japanese - Shōwa era
Value	1 Sen (0.01 JPY)
Currency	Yen (1871-date)
Composition	Aluminium
Weight	0.65 g
Diameter	16 mm
Thickness	1.52 mm
Shape	Round
Technique	Milled
Orientation	Medal alignment ↑↑
Demonetized	31 December 1953
Number	N# 4964
References	Y# 59 Richard Sperry Yeoman. R. S. Yeoman's Modern & Current World Coins (16 volumes). , JNDA# 01-51 Japan Numismatic Dealers Association (publisher). 日本貨幣カタログ. Japan Numismatic Dealers Association, Tokyo, Japan (37 volumes).

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Obverse

Value in center with authority above and date below.

Scripts: Chinese (traditional, clerical script), Chinese (traditional, regular script)

Lettering:
本日大
一
年八十和昭

Translation:
Great Japan
One
Year 18 of Shōwa

Reverse

Mount Fuji, with Chrysanthemum crest at top. Value below.

Script: Chinese (traditional, regular script)

Lettering: 錢一

Translation: One Sen

Edge

Plain.

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Date	Mintage	G	VG	F	VF	XF	AU	UNC		Frequency
Undetermined
16 (1941)	1 016 620 734	$ 0.27	$ 0.27	$ 0.32	$ 0.46	$ 0.56	$ 0.56	$ 1.00	年六十和昭	58%
17 (1942)	119 709 832	$ 0.06	$ 0.41	$ 0.44	$ 0.44	$ 0.44	$ 0.69	$ 0.69	年七十和昭	49%
18 (1943)	1 163 949 434	$ 0.41	$ 0.53	$ 0.63	$ 0.63	$ 0.67	$ 0.78	$ 1.20	年八十和昭	28%

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: 6 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.

Past sales

Pictures	Sale	Date	Version	Grade	Sold price
	Katz Auction 154 Lot 1959	12 Apr 2025	16 (1941) – 年六十和昭	UNC	USD 53.39 (EUR 46.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 152 Lot 1897	8 Mar 2025	16 (1941) – 年六十和昭	UNC	USD 49.91 (EUR 43.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 149 Lot 2736	8 Feb 2025	16 (1941) – 年六十和昭	UNC	USD 53.39 (EUR 46.00) (+ buyer's premium)
© Katz Coins Notes & Supplies Corp.
	Katz Auction 144 Lot 2838	17 Nov 2024	16 (1941) – 年六十和昭	AU	USD 6.96 (EUR 6.00) (+ buyer's premium) The lot includes several items.
© Katz Coins Notes & Supplies Corp.
	Katz Auction 141 Lot 3362	25 Oct 2024	16 (1941) – 年六十和昭	XF	USD 6.96 (EUR 6.00) (+ buyer's premium) The lot includes several items.
© Katz Coins Notes & Supplies Corp.
	Katz Auction 166 Lot 1889	16 Aug 2025	17 (1942) – 年七十和昭	XF	Unsold
© Katz Coins Notes & Supplies Corp.