Sorry for long time before answer, here are the identifications
up from left to right
1) Emperor: Xuan Zong (1821-1851)
obv: DaoGuang tongbao
rev: Boo Su ( for Suzhou, Jiangsu)
2) Emperor De Zhong ( 1875-1908)
obv: GuangXu tongbao
rev Boo Fu (for Fuzhou, Fujian)
3) Emperor: Xuan Zong (1821-1851)
obv: DaoGuang tongbao
rev:?
4) Emperor: Mu Zong (1862-1874)
obv: TongZhi tongbao
rev: Boo Su ( for Suzhou, Jiangsu)
bellow from left to right
1) Emperor: Xuan Zong (1821-1851)
obv: DaoGuang tongbao
rev: Boo Su ( for Suzhou, Jiangsu)
2) Emperor: Xuan Zong (1821-1851)
obv: DaoGuang tongbao
rev: Boo Su ( for Suzhou, Jiangsu)
3)Emperor
Ren Zong (1796-1820)
obv: JiaQing tongbao
rev: Boo Shan (for Xi'an, Shaanxi)
4) Emperor: Xuan Zong (1821-1851)
obv: DaoGuang tongbao
rev: Boo Su ( for Suzhou, Jiangsu)
(surprising wide
rim, I will try to find more informations)
all these coins are private casting so it's extremely
rare to find 2 identical coin, but it's easy to find a few coins with same
mint refered.
Regards