God the internet is so boring nowadays. I go on social media and it's just so... samey. How are people this repetitive? How do they enjoy this content?
This probably not canon and just a texture they slapped on the coin because didn't feel like making a custom one. Kinda like a Shiver Star has the Earth map texture though it did spark quite a few theories.
As you know, Wario Land 4 hacks have been available on a site called the Wario Land 4 Hacking Vault for some time now:
https://wario-land.github.io/HackVault/index.html
However what you may not know is that I was originally on the web...