China Cash - Help ID [Resolvido]

Can anyone help me ID these chinese cash coins and tell me if they're genuine or maybe modern tokens, please?
Thanks in advance,
Nicola

1 - Qianlong, 6th emp. (1736-1795)
2 - Xianfeng (1851-1961) - warning : you might front some difficulty to get a complete identification
3 - Daoguang, 8th emp (1820-1850)

2 - Xianfeng, 9th emp (1850-1861)
At least, front of coin appears to match:
https://en.numista.com/catalogue/pieces13465.html

1st: one of these:
https://en.numista.com/catalogue/index.php?mode=simplifie&p=1&r=china+cash+1736
2nd: one of these:
https://en.numista.com/catalogue/pieces88753.html
https://en.numista.com/catalogue/pieces46815.html

3th : https://en.numista.com/catalogue/pieces12421.html

Real or not ? I am not sure

For the second cash, the coinage of Xianfeng is complex
Metal is either bronze or iron but the metal used for your coin seems odd. Tin ?
It looks like cash from Kashigar(Kashgar), Xinjiang but I didn't find this coin in the Hartill .
So, unlike the other two coins that are very common, this tin coin is certainly not from China.
It might be from a chinese colony. For example in the area of Palembang, well know for his Tin mines, you find chinese settlements on the XIXth century as Singhing, Woungin, Sounsing etc...

I said identification will not be so easy ...

Thanks to all for your precious help! Finally solved !

1) 1 Cash - Qianlong Boo-chiowan (https://en.numista.com/catalogue/pieces1133.html)

2) 1 Cash - Xiangfeng Tong-bao (Jiang-xi) [Poem-cash series*]
Metal: brass
Mint: Jiang-xi
References: Hartill Qing Cash, plate 157 n°30.08

3) 1 Cash - Daoguang Boo-yuwan (https://en.numista.com/catalogue/pieces12421.html)

@Frenchlover, you were right, it was not easy to ID the second one, but we done it !

*Poem coins (poem cash) http://www.zeno.ru/showgallery.php?cat=2012

Best regards and thanks again,
Nicola

Well done
This coin is not in the standard Hartill catalogue, and I don't get this supplement.