Alloy: Copper: 98%, Tin 1%, Zinc 1%
Mass: 14.26g
C scales used from Meiji 6 (1873) - Meiji 10 (1877), V scales used from Meiji 10 (1877) - Meiji 17 (1884)
Total mintage of Meiji 6 and 7 are 3,949,758
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Diameter: 31.81mm Alloy: Copper: 98%, Tin 1%, Zinc 1% Mass: 14.26g C scales used from Meiji 6 (1873) - Meiji 10 (1877), V scales used from Meiji 10 (1877) - Meiji 17 (1884) Total mintage of Meiji 6 and 7 are 3,949,758
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| Meiji 6 (1873) | Meiji 7 (1874) | Meiji 8 (1875) - 22,835,255 | Meiji 9 (1876) - 25,817,570 |
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| Meiji 10 (1877) old - 33,097,868 | Meiji 10 (1877) new - 43,290,398 | Meiji 13 (1880) - 33,142,307 | Meiji 14 (1881) - 38,475,569 |
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| Meiji 15 (1882) - 43,572,187 | Meiji 16 (1883) - 19,476,164 | Meiji 17 (1884) - 12,090,586 | |
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Diameter: 27.87mm Alloy: Copper 98%, Tin 1%, Zinc 1% Mass: 7.13g C scales used from Meiji 6 (1873) - Meiji 10 (1877), V scales used from Meiji 13 (1880) - Meiji 21 (1888) Two varieties in Meiji 14, small "four" and big "four", total mintage 16,123,612
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| Meiji 6 (1873) - 1,301,486 | Meiji 7 (1874) - 25,564,953 | Meiji 8 (1875) - 32,832,038 | Meiji 9 (1876) - 38,048,906 |
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| Meiji 10 (1877) - 98,041,824 | Meiji 13 (1880) - 33,947,810 | Meiji 14 (1881) - small "four" | Meiji 14 (1881) - big "four" |
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| Meiji 15 (1882) - 19,150,666 | Meiji 16 (1883) - 46,846,352 | Meiji 17 (1884) - 53,702,768 | Meiji 18 (1885) - 46,846,352 |
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| Meiji 19 (1886) - 26,886,198 | Meiji 20 (1887) - 22,249,580 | Meiji 21 (1888) - 25,864,939 | |
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Diameter: 27.87mm Alloy: Copper 95%, Tin 4%, Zinc 1% Mass: 7.13g Apparently dates of Meiji 39, 42 and 44 do exist but not known. |
| Meiji 31 (1898) - 3,649,448 | Meiji 32 (1899) - 9,764,028 | Meiji 33 (1900) - 3,086,524 | Meiji 34 (1901) - 5,555,155 |
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| Meiji 35 (1902) - 4,444,845 | Taisho 2 (1913) - 15,000,000 | Taisho 3 (1914) - 10,000,000 | Taisho 4 (1915) - 13,000,000 |
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01-48 Paulownia 1 sen (bronze)
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Diameter: 23.03mm Alloy: Copper 95%, Tin 4%, Zinc 1% Mass: 3.75g |
| Taisho 5 (1916) - 19,193,946 | Taisho 6 (1917) - 27,183,078 | Taisho 7 (1918) - 121,794,756 | Taisho 8 (1919) - 209,959,359 |
| Taisho 9 (1920) - 118,829,256 | Taisho 10 (1921) - 252,440,000 | Taisho 11 (1922) - 253,210,000 | Taisho 12 (1923) - 155,500,000 |
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| Taisho 13 (1924) - 106,250,000 | Showa 2 (1927) - 26,500,000 | Showa 4 (1929) - 3,000,000 | Showa 5 (1930) - 5,000,000 |
| Showa 6 (1931) - 25,001,222 | Showa 7 (1932) - 35,066,715 | Showa 8 (1933) - 38,936,904 | Showa 9 (1934) - 100,004,950 |
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| Showa 10 (1935) - 200,009,912 | Showa 11 (1936) - 109,170,428 | Showa 12 (1937) - 133,196,569 | Showa 13 (1938) - 87,649,338 |
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Diameter: 23.03mm Alloy: Copper 90%, Zinc 10% Mass: 3.75g One year type Mintage: 113,600,000 |
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Diameter: 17.6mm Alloy: Aluminum 100% Mass: 0.90g Three year type, variety on Showa 14 (1939) Total mintage for Showa 14 (1939) - 444,602,146 |
| Showa 13 (1938) - 45,502,266 | Showa 14 (1939) Type A | Showa 14 (1939) Type B | Showa 15 (1941) - 602,110,015 |
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01-51 Mt. Fuji 1 sen (aluminum)
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Diameter: 16mm Alloy: Aluminum 100% Three year type Mass: Showa 16-18 (1941-43) 0.65g Showa 18 (1943) 0.55g |
| Showa 16 (1941) - 1,016,620,734 | Showa 17 (1942) - 119,709,832 | Showa 18 (1943) 0.65g - 1,163,949,434 | Showa 18 (1943) 0.55g - 627,160,000 |
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Diameter: 15mm Alloy: Tin 50%, Zinc 50% Mass: 1.30g Two year type Total mintage of Showa 19 (1944) and Showa 20 (1945) is 1,629,580,000 No breakdown figure available. |
| Showa 19 (1944) | Showa 20 (1945) |
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Diameter: 22.20mm Alloy: Copper 98%, Tin 1%, Zinc 1% Mass: 3.56g Total mintage of Meiji 6, 7 is 16,804,440 Total mintage of Meiji 10 is 29,278,520 C scales used from Meiji 6 (1873) - Meiji 10 (1877), V scales used from Meiji 10 (1877) - Meiji 21 (1888) * Two varieties of scales noted in 1883. Not recognized in JNDA. |
| Meiji 6 (1873) | Meiji 7 (1874) earlier version | Meiji 7 (1874) later version | Meiji 8 (1875) - 17,037,928 |
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| Meiji 9 (1876) - 24,292,478 | Meiji 10 (1877) c scale | Meiji 10 (1877) v scale | Meiji 12 (1879) - 29,963,706 |
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| Meiji 13 (1880) - 14,090,894 | Meiji 14 (1881) - 17,929,026 | Meiji 15 (1882) - 26,458,976 | Meiji 16 (1883) - 38,480,248* - old |
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| Meiji 16 (1883) - new | Meiji 17 (1884) - 38,480,248 | Meiji 18 (1885) - 31,166,240 | Meiji 19 (1886) - 31,831,244 |
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| Meiji 20 (1887) - 35,651,564 | Meiji 21 (1888) - 25,744,686 | ||
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Diameter: 18.78mm Alloy: Copper 95%, Tin 4%, Zinc 1% Mass: 2.10g Four year type |
| Taisho 5 (1916) - 8,000,000 | Taisho 6 (1917) - 5,287,584 | Taisho 7 (1918) - 11,661,877 | Taisho 8 (1919) - 17,130,539 |
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Diameter: 15.75mm Alloy: Copper 98%, Tin 1%, Zinc 1% Mass: 0.91g Home to some very rare coins Total mintage of Meiji 6 (1873) and Meiji 7 (1874) is 6,979,260 Total mintage of Meiji 8 (1875) is 3,718,840 Total mintage of Meiji 9 (1876) and Meiji 10 (1877) is 23,000. Meiji 9 is scarcer. |
| Meiji 6 (1873) | Meiji 7 (1874) | Meiji 8 (1875) - Type 1 | Meiji 8 (1875) - Type 2 (scarcer) |
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| Meiji 9 (1876) | Meiji 10 (1877) | Meiji 13 (1880) - 810 | Meiji 15 (1882) - 3,632,360 |
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| Meiji 16 (1883) - 14,128,150 | Meiji 17 (1884) - 16,009,130 | ||
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Made in Saga Prefecture, Arita town Company: Kyowashinkou Porcelain Co. in Kyoto and Seto Co. Diameter: 15mm Composition: 60% clay (Sankansaka), 15% granite, 15% red clay, 10% other Mass: 0.80g One year type |
01/12/2018