WORLD COINS - JAPAN - 1 SEN - CIRCULATION

1943 Japan 1 Sen Circulation - Shōwa 18

Mount Fuji Aluminum Type · Secondary catalog classification: Heavy Type

01 IDENTITY

Coin Identity

CountryJapan

Denomination1 Sen

Year1943

Japanese EraShōwa 18

Date Inscription昭和十八年

FinishCirculation

MintJapan Mint

02 PHYSICAL PROFILE

Physical Specifications

CompositionAluminum

Standard Weight0.65 g

Diameter16.0 mm

ShapeRound

EdgePlain

Type Period1941-1943

Japan Mint's Mint Museum exhibit list records measured examples of this Mount Fuji aluminum type at approximately 16 mm in diameter and approximately 0.65 g in weight. Individual museum specimen measurements may vary slightly from the catalog standard.

03 DESIGN & CONTEXT

Design

Mount Fuji Side

Mount Fuji forms the principal motif, accompanied by the Chrysanthemum crest and the denomination.

Denomination & Date Side

The denomination character is centered with the national inscription and the Shōwa-era date.

Historical Context

Japan Mint historical material explains that wartime material conditions led to changes in aluminum coinage. For the 1 Sen, the diameter was reduced and the design was changed to use Mount Fuji and the character for one.

Archive Note

No third-party coin image is reproduced on this page. Japan Mint material is used as the primary historical and type-level reference. Secondary catalogue information is identified separately.

04 ISSUE & QUANTITY

Issue Information

Calendar Year1943

Japanese DateShōwa 18

Reported Mintage1,163,949,434 coins

Mintage Source BasisNumista N#4964 secondary catalogue cross-check

Japan Mint VerificationType, material, Mount Fuji design and 1941-1943 production period confirmed

Issue FormatStandard circulation issue

The annual mintage shown above is retained as a secondary numismatic catalogue figure. The Japan Mint sources consulted for this archive confirm the coin type and production period, but the annual mintage figure is not represented here as a Japan Mint-published quantity.

05 COLLECTION RECORD

Archive Information

Archive IDJP-1S-1943-SHOWA-FUJI

Coin Codejp1s43f

QR Short Codejp1s43f

QR Short URLhttps://metacoinart.com/q/jp1s43f

Canonical Path/world-coins/japan/1-sen/1941-1943-fuji/1943/

Catalogue Cross-checkNumista N#4964 · Y#59 · JNDA#01-51

06 SOURCES & REFERENCES

References

PRIMARY OFFICIAL SOURCE

Japan Mint - Mint Museum Special Exhibition Exhibit List

Official Mint Museum exhibit records for wartime coinage, including the Mount Fuji aluminum 1 Sen and its 1941-1943 production period.

Open reference

OFFICIAL HISTORICAL SOURCE

Japan Mint - 150 Years of History

Official historical account describing wartime aluminum coin changes and the Mount Fuji design used for the 1 Sen.

Open reference

OFFICIAL CONTEXT SOURCE

Japan Mint - Coin FAQ

Japan Mint reference identifying the 1941 1 Sen aluminum coin among historical Japanese coinage.

Open reference

NUMISMATIC CROSS-CHECK

Numista - Japan 1 Sen Shōwa Heavy Type

Secondary cross-check for catalogue classification, standard physical specifications and annual mintage figures. No image, valuation table or catalogue prose is reproduced.

Open reference