This is a rare 1906 Yunnan Province 20 Cash coin that is in excellent condition. It has been circulated but has maintained its XF/AU grade. The coin is composed of copper and has a brown color. This coin was minted in Yunnan with a large mintmark and is part of the Empire (up to 1948) historical period. The coin's denomination is 20 Cash, and its KM number is Y-11U. It has not been certified but is unmodified. This coin is a valuable addition to any coin collection and is a must-have for collectors of Chinese coins.