Mintage details can be obtained for free via Japan Mint site: http://www.mint.go.jp/eng/data/index.html
Catalogue number is from the JNDA catalogue
Any questions or problems, drop me a mail at:
Mintage numbers are available on the Japan mint site: http://www.mint.go.jp/eng/data/index.html
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Diameter: 26.5mm Alloy: Cu 75%, Ni 25% Mass: 7.20g
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Diameter: 26.5mm Alloy: Cu 72%, Ni 8%, Zn 20% Mass: 7.0g
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Diameter: 22.6mm Alloy: Ag 60%, Cu 30%, Zn 10% Mass: 4.80g Two year type |
Showa 32 (1957) - 30,000,000 | Showa 33 (1950) - 70,000,000 |
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Diameter: 22.6mm Alloy: Ag 60%, Cu 30%, Zn 10% Mass: 4.80g Not struck in 1962 |
Showa 34 (1959) - 110,000,000 | Showa 35 (1960) - 50,000,000 | Showa 36 (1961) - 15,000,000 | Showa 38 (1963) - 45,000,000 |
Showa 39 (1964) - 10,000,000 | Showa 40 (1965) - 62,500,000 | Showa 41 (1966) - 97,500,000 | |
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Diameter: 22.6mm Alloy: Cu 75%, Ni 25% Mass: 4.8g |
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Diameter: 25mm Alloy: Ni 100% Mass: 5.50g Four year type
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Showa 30 (1955) - 63,700,000 | Showa 31 (1956) - 91,300,000 | Showa 32 (1957) - 39,000,000 | Showa 33 (1958) - 18,000,000 |
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Diameter: 25mm Alloy: Ni 100% Mass: 5.00g Four year type
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Showa 34 (1959) - 23,900,000 | Showa 35 (1960) - 6,000,000 | Showa 36 (1961) - 16,000,000 | Showa 37 (1962) - 50,300,000 |
Showa 38 (1963) - 55,000,000 | Showa 39 (1964) - 69,200,000 | Showa 40 (1965) - 189,300,000 | Showa 41 (1966) - 171,500,000 |
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Diameter: 21mm Alloy: Cu 75%, Ni 25% Mass: 4.0g |
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Diameter: 23.5mm Alloy: Cu 95%, Zn 40%, Sn 10% Mass: 4.50g Not struck in 1956 |
Showa 26 (1951) - 101,068,000 | Showa 27 (1952) - 486,632,000 | Showa 28 (1953) - 466,300,000 | Showa 29 (1954) - 520,900,000 |
Showa 30 (1955) - 123,100,000 | Showa 32 (1957) - 50,000,000 | Showa 33 (1958) - 25,000,000 | |
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Diameter: 23.5mm Alloy: Cu 95%, Zn 40%, Sn 10% Mass: 4.50g |
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Diameter: 22mm Alloy: Cu 60-70%, Sn 40-30% Mass: 4.00g Two year type |
Showa 23 (1948) - 74,520,000 | Showa 24 (1949) - 179,692,000 |
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Diameter: 22mm Alloy: Cu 60-70%, Zn, 40-30% Mass: 3.75g |
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Diameter: 22mm Alloy: Cu 60-70%, Zn, 40-30% Mass: 3.75g |
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Diameter: 20mm Alloy: Al 100% Mass: 1.0g No 1 yen coins were struck in Showa 43 (1968) |
01/02/2009