China, 1904-1907 AD., Ch'ing Dynasty, emperor Te Tsung, Chihli province, Chin mint, 1 Cash, KM Y 66.

China, Ch'ing dynasty, emperor Te Tsung (De Zong), Guang Xu (Kuang Hsü) Reign (1875-1908), Chihli (Zhili) province, struck at Chin mint (Peiyang Arsenal), Tientsin, no date (ca. 1904-07 AD.),
1 Cash (15,5 mm / 1,12 g), brass, machine struck,
Obv.: 光 / 绪 / 通 - 寶 , Kuang (top) - Hsu (below) - T'ung (right) - Pao (left) of center, (Kuang Hsu Current Coin), all in a dotted circle, ornaments (2 dragons?) around, sun or fireball above.
Rev.: 北 - 洋 // 零 / 用/ 一/ 文 , 6 Chinese characters, mint name 北洋 Pei Yang at 3 o'clock and 9 o'clock, incidental expenses ("small change" ?) 零用 (língyòng) , 1 一, Cash 文. (北洋 Pei Yang is another name for the Chihli / Zhili province).
KM Y 66 .

thanks to Peter (figleaf) for the reference
according "Chinasmith": "Made at the Peiyang Mint in Tientsin around 1904-1908."