Hello! I would like to ask for a bit of assistance please. I have a tiny collection of coins from around 20 different countries that I have identified. These are the 3 that have stumped me. Since I am so new I didn't even know where to begin. The best I did with these was I assume the largest of them is some type of asian coin. Not very helpful, I know. Any help would be greatly appreciated! Thank you so much!
Left is ten sen from Taiwan, and the right is a Thailand coin of King Rama IX. I am sure others will have better details for you but that is off the top of my head. I can get exact details tonight of the Thai coin if no one else answers by having my wife read it for me.