Hi Medox --

Your coins are not really coins, but souvenir medals made for tourists. They come in a set, one medal for each Chinese emperor. See picture. They are made of copper-nickel, and are worth a few US dollars each.

Here are three reference pages:

Numista: https://en.numista.com/catalogue/exonumia36734.html

Coin Community: https://www.coincommunity.com/forum/topic.asp?TOPIC_ID=59592

CoinQuest: https://coinquest.com/cgi-bin/cq/coins.pl?coin=6959