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These are all common cash coins of the Ch'ing Dynasty, worth about $1-2 each. They can be identified at
http://www.calgarycoin.com/referenc...chai%20chingStarting from the top left as number 1, going across to 3, then second row from left as number 4, going across to 6
1. Kao Tsung (Ch'ien Lung) 1736-1795, possibly Kiangsu mint (hard to read)
2 and 5 same: Hsuan Tsung (Tao-Kuang) 1821-1850, Board of Works mint Beijing
3. Jen Tsung (Chai-Ch'ing) 1796-1820, possibly Yunnan mint (hard to read)
4. Sheng Tzu (K'ang-Hsi) 1662-1722, Board of Revenue mint Beijing
6. same as 1 but Board of Revenue mint Beijing
For future attribution requests it would be helpful to number the coins and orient them correctly.