Emoji Symbols in UTF-8 of coins code example
Example: Emoji Symbols in UTF-8 of coins
💰 - money bag
You can refer below link for checking Emoji sybols in UTF-8
https://www.w3schools.com/charsets/ref_emoji.asp
To use with html you have to add <meta charset='UTF-8'> in html after this it will properly reflect in mail body.