This coin is from the Kangxi emperor of China (spelled "K'ang Hsi" in the Krause catalogues) who reigned from 1662 to 1723, the longest reign of any of the Chinese emperors, and the Empire was prosperous at the time. As such, his coins are among the commonest coins of any type, anywhere in the world.
The four Chinese characters around the hold say, reading top-bottom-right-left, "Kang Xi Tong Bao" meaning "Kang Xi current coin". The two squiggly symbols on the other side are the mint name, written in Manchu script rather than Chinese. In this case, it's from one of the two central mints in Beijing: the Board of Revenue mint.
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