Chinese coins ID

I will be thankful for any help regarding these coins identification.
Number three is twice much thicker than the other two.
The rev. side seems to me quite blank.
Thanks - Uri

1. Song dynasty - Yuanfeng, seal script
https://en.numista.com/catalogue/pieces34504.html

2. Song dynasty - Jingde, regular script
https://en.numista.com/catalogue/pieces20616.html

3. Song dynasty - 紹聖元寶 Shaosheng (1094-1098), regular script  (this coin may be not real?)
It has not been created entry here.

Thank you very much - great help!
About no. 3 - I had bis suspect too.
Such good condition - It is "too nice to be true"  
Uri