Japan, 1877 AD., Mutsuhito (Meiji era), 2 Sen, KM Y 18.2.

Japan, Mutsuhito (1867-1912), Meiji era, dated year 10 (1877 AD.),
2 Sen (31,8 mm / 14,13 g), bronze (copper 0.980, tin 0.010 , zinc 0.010), type 2 (V-scales on dragon's body), 14,26 g. theor. mint weight, mintage 43.290.398 , axes about coin alignment ↑↓ (ca. 160°), plain edge,
Obv.: 圓一換 - 枚十五 // 二 / 銭 , wreath of chrysanthemum and pawlonia. ( 二 = 2)
Rev.: 年 十 治 明 · 本 日 大 · / · 2 SEN · , dragon, V-scales on dragon's body. ( 年 十 = regnal year 10 of the Meji era, 治 明 = Meji era)
KM Y 18.2 ; JNDA 01-45 .

Year (Meiji era) / (western Year) / Mintage / Ref.
6 / (1873) / 3,949,758 / KM Y 18.1
7 (1874) ? (incl. above) KM Y 18.1
8 (1875) 22,835,255 KM Y 18.1
9 (1876) 25,817,750 KM Y 18.1
10 (1877) 33,097,868 KM Y 18.1
10 (1877) 43.290.398 KM Y 18.2
13 (1880) 33,142,307 KM Y 18.2
14 (1881) 38,475,569 KM Y 18.2
15 (1882) 43,527,187 KM Y 18.2
16 (1883) 19,476,164 KM Y 18.2
17 (1884) 12,090,586 KM Y 18.2
25 (1892) ? KM Y 18.2 (none struck for circulation)