Japanese coins with hole in middle
Mon coins with hole

100 mon (Tempo Tsu-Ho) no date (1835-1870)
bronze
square hole
TEN-HO / TSU-HO
TO HYAKU (100)
Coin value - $10-15
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4 mon no date (1768)
brass
square hole
KWAN-EI / TSU-HO
21 waves
Coin value - $3-5

4 mon no date (1769-1860)
brass
square hole
KWAN-EI / TSU-HO
11 waves
Coin value - $2-4
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4 mon no date (1863-1867)
brass
square hole
BUN KYU EI-HO
11 waves
Coin value - $2-4
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1 mon no date (1636-1656)
copper
square hole
KA-NEI / TSU-HO
Coin value - $2-4
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1 mon no date (1668-1700)
copper
square hole
KA-NEI / TSU-HO
BUNValue - $2-4
Sen coins with hole
1926-1947
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10 sen 1932 (1927-1932)
copper-nickel
round hole
10 SEN
GREAT JAPAN / SHOWA 7 YEAR / sacred mirror around hole
Coin value - $2-3

10 sen 1934 (1933-1937)
nickel
round hole
10 SEN / paulownia on bottom, chrysanthemum flower on top
GREAT JAPAN / SHOWA 9 YEAR / cherry blossom
Coin value - $2-3

10 sen 1938 (1938-1940)
aluminium-bronze
round hole
10 SEN / sun rays and waves, chrysanthemum flower on top
GREAT JAPAN / SHOWA 13 YEAR / paulownia crest and cherry blossom
Coin value - ~$1

10 sen 1944
tin-zinc
round hole
10 SEN / paulownia on bottom, chrysanthemum flower on top
GREAT JAPAN / SHOWA 19 YEAR
Coin value - <$1
5 sen 1932
copper-nickel
round hole
5 SEN / paulownia foliage, chrysanthemum flower on top
GREAT JAPAN / SHOWA 7 YEAR / sacred mirror around hole
Coin value - $15-20
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5 sen 1934 (1933-1938)
nickel
round hole
5 SEN / bird undo rays of sun, chrysanthemum flower on top
GREAT JAPAN / SHOWA 9 YEAR / cherry blossom
Coin value - $3-4

5 sen 1939 (1938-1940)
aluminium-bronze
round hole
5 SEN / paulownia on bottom, chrysanthemum flower on top
GREAT JAPAN / SHOWA 13 YEAR / cherry blossom
Coin value - ~$1

5 sen 1944
tin-zinc
round hole
5 SEN / paulownia on bottom, chrysanthemum flower on top
GREAT JAPAN / SHOWA 19 YEAR
Coin value - <$1
Yen coins with hole

50 yen 1959 (1959-1966)
copper-nickel
round hole
50 / SHŌWA 34 YEAR
GREAT JAPAN / chrysanthemum / 50 YEN
Coin value - $2-3
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50 yen 1973 (1967-1988)
copper-nickel
round hole
50 / SHŌWA 47 YEAR
GREAT JAPAN / chrysanthemum flowers / 50 YEN
Coin value - $1-2

50 yen 1989
copper-nickel
round hole
50 / HEISEI FIRST YEAR
GREAT JAPAN / chrysanthemum flowers / 50 YEN
Coin value - ~$1
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50 yen 1998 (1990-)
copper-nickel
round hole
50 / HEISEI 10 YEAR
GREAT JAPAN / chrysanthemum flowers / 50 YEN
Coin value - ~$1

5 yen 1950 (1949-1958)
brass
round hole
5 YEN / stalk of rice
GREAT JAPAN / two leafs / SHŌWA 25 YEAR
Coin value - ~$1

5 yen 1967 (1959-1989)
brass
round hole
5 YEN / stalk of rice
GREAT JAPAN / two leafs / SHŌWA 42 YEAR
Coin value - <$1

5 yen 1989
brass
round hole
5 YEN / stalk of rice
GREAT JAPAN / two leafs / HEISEI FIRST YEAR
Coin value - <$1

5 yen 2013 (1990-)
brass
round hole
5 YEN / stalk of rice
GREAT JAPAN / two leafs / HEISEI 25 YEAR
Coin value - <$1
See also:
Japan old coins (till 1948)
Japan modern coins