Oei 応永 Era (1394–1428)

1403-1424 Mon
 

Eiraku Tsu-Ho.

Plain.

Manji 万治 Era (1658-1661)

1659-85 1 Mon
 

Genpo Tsuho
Nagasaki trade coin.

Hoei 宝永 (1704–1711)

1708 10 Mon
 

Ho-Ei Tsu-Ho

Ei Kyu Sei Yo, Chin (precious) struck into the rim.
KM# 57

Genbun 元文 (1736–1741)

1739-1867 Mon
 

Kan-Ei Tsu-Ho.

Plain.
C# 1.1a
1739-1867 Mon
 

Kan-Ei Tsu-Ho.

Plain.
C# 1.1a
1739-1867 Mon
 

Kan-Ei Tsu-Ho.

Plain.
C# 1.1a
Genbun (1736-1818) Mameita-gin
 
15.12x12.57x6.08 mm, 6.76 g

Meiwa 明和 Era (1764-1772)

1768 Mon
 

Kan-Ei Tsu-Ho.

Edo character.
C# 1.13
1768 Mon
 

Kan-Ei Tsu-Ho.

Edo character.
C# 1.13
1768 Mon
 

Kan-Ei Tsu-Ho.

Edo character.
C# 1.13
1768 4 Mon
 

Kan-ei Tsu-Ho

21 waves.
C# 4.1
1769 4 Mon
 

Kan-ei Tsu-Ho

11 waves.
C# 4.2
1765-72 5 Monme
PCGS AU53
JNDA 09-46 Meiwa

An'ei 安永 (1772–1781)

1772-1824 Meiwa Ko Nanryo 2 Shu Gin
 
26.69x15.61x2.56 mm, 10.20 g

Bunsei 文政 Era (1818–1830)

1824-1830 Shin Nanryo 2 Shu Gin
 
22.77x13.57x2.83 mm, 7.65 g
Bunsei (1829-1837) Nanryo 1 Shu Gin
 
16.01x10.15x1.98 mm, 2.77 g
Bunsei (1820-37) Mameita-gin
 
17.49x16.23x7.32 mm, 10.69 g
Bunsei (1819-28) Koban
PCGS AU Detail Chop Mark
13.09g

Tenpo 天保 Era (1830–1844)

Tenpo (1830–44) Chogin
 
87x30 mm, 139.84 g
1835-70 100 Mon
 

Tempo Tsuho.

To Hyaku.
C# 7
1837-54 Bu
 

Mintage of 78,916,556
C# 16

Kaei 嘉永 Era (1848–1854)

1853-65 Shu
 

Mintage of 159,244,800
C# 12

Ansei 安政 1854–1860

Ansei (1859-1865) Mameita-gin
 
20.16x15.74x7.48 mm, 12.07 g
1859 2 Shu
PCGS AU53
C# 15 · JNDA 09-56

Manen 万延 Era (1860–1861)

1860-69 2 Shu
 

Mintage of 25,120,000
C# 18a

Bunkyu 文久 Era (1861–1864)

1863-67 4 Mon
 

Bun-Kyu Ei-Ho.

11 waves.
C# 6
1863-67 4 Mon
 

Bun-Kyu Ei-Ho.

11 waves.
C# 6a
1863-64 4 Mon
 
Mother coin.
C# 6b
1862 Half Shu
 
Okinawa local issue.
C# 115
1655-1867 30 Ryo Weight
 
1200 grams.

Meiji 明治 Era (1868-1912)

1868-69 2 Bu
 
C# 21d

Empire

1884 1 Rin
 
Y# 15.
1899 1 Sen
 
Y #20.
1875 2 Sen
 
Y# 18.1.
1871 5 Sen
NGC XF Details Cleaned
Y# 6.1. 53 rays.
1877 5 Sen
 
Y# 22.
1889 5 Sen
 
Y# 19.
1870 10 Sen
PCGS AU58
Shallow scales.
1873 10 Sen
 
Type 2.
1894 10 Sen
 
Y# 23.
1897 10 Sen
 
Y# 23.
1897 10 Sen
 
Y# 23.
1909 10 Sen
 
Y# 29.
1898 20 Sen
 
Y# 24.
1909 20 Sen
 
Y# 30.
1871 50 Sen
NGC UNC Details Cleaned
19mm dragon circle.
1873 50 Sen
 
Y# 25. Type 1.
1873 50 Sen
 
Type 2.
1885 50 Sen
 
1904 50 Sen
NGC MS63
1890 1 Yen
NGC MS62
1894 1 Yen
 
Chopmarked.
1895 1 Yen
NGC AU58
Gin countermark on the right (Tokyo).
1902 1 Yen
NGC UNC Details Rev Cleaned

Taisho 大正 Era (1912-1926)

1918 5 Rin
 
Y# 41.
1875 2 Sen
 
Y# 18.1.
1921 5 Sen
 
Y# 44.
1915 50 Sen
PCGS MS63
ex. Joe Sedillot
1922 50 Sen
 
Y# 46.
1926 50 Sen
 
Y# 46.
1914 1 Yen
 
Y #38.
1917 20 Yen
NGC MS64

Showa 昭和 Era (1926-1989)

1927 1 Sen
 
Y# 47.
1945 1 Sen
 
KM# 110. Brown clay.
1945 1 Sen
 
KM# 110. Brown clay.

Reform Coinage (1948-)

1950 1 Yen
 
Y# 70.
1948 5 Yen
 
Y# 71.
1952 10 Yen
 
Y# 73.
1964 1000 Yen
 
Y# 79. 1964 Olympic games.

Other

5 cents
 
Yokohama officer's mess.