This copper coin was issued in Japan in 1887 during the 20th year of the reign of Emperor Meiji. The denomination is 1 sen, which was a relatively small unit of currency. The obverse of the coin features the image of a dragon with scales, while the reverse displays the Japanese characters for the denomination and year. The design of the dragon is highly detailed and intricate, reflecting the high level of craftsmanship that was typical of Japanese coins from this era. This coin is a fascinating piece of Japanese numismatic history and a valuable addition to any coin collection.

Issuer	Japan
Emperor	Meiji (1867-1912)
Type	Standard circulation coin
Years	6-25 (1873-1892)
Calendar	Japanese - Meiji era
Value	1 Sen (0.01 JPY)
Currency	Yen (1871-date)
Composition	Copper
Weight	7.13 g
Diameter	27.9 mm
Thickness	1.62 mm