Help needed, can anyone help Id these Asian Coins and Possible Value?

I have a couple of coins, I don't know if they're Chinese or Taiwanese. They look Asian, that's for certain. The copper one has the Chinese money sign on it, so I'm thinking they are Chinese. Anyone have any idea on value, dates or anything else? Much appreciate any comments or assistance! ~Cheers!

 

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99% sure they are Taiwanese.
100% sure all the pictures of your reverses are upside down.

http://worldcoingallery.com/countries/Taiwanese.htm

 

They look like coins of the Republic Of China issued prior to the communist takeover. Top looks like it may be 10 Fen issued from 1936 - 1939. Bottom (Copper) looks like 1 Fen from 1936 - 1939. I am assuming the bottom picture is the same coin you have in the top picture.

https://en.numista.com/catalogue/pieces9380.html

https://en.numista.com/catalogue/pieces9381.html

Edit; Top coin look like it may dated 1936, copper coin looks like 1937.

 

I must have known that this is going to be a popular coinage... More information can be found here

https://www.cointalk.com/threads/republic-of-china-coinage-1936-1948.316727/

Most of them can be found in junk box lot or enough to maybe enough value to buy a cup of coffee. If your 1936 10 fen is non magnetic - this is significantly more valuable. Coins of this type are supposed to be struck in pure nickel which is magnetic, however Tientsin Mint went rouge and decided to strike coins in a lower nickel content.