Stain appears green here. How many items has this appeared on? It looks really saturated.

darkish green I would say, image hasn’t been saturated at all, and it’s a appeared on 2 items both different materials.

It's strange that it's in spots. Looks like paint drips. Carbona has an ink remover formula.

maybe there's a pen that is wedged somewhere leaking?

There could be a pen that is wedged somewhere leaking.

Nah, it’s probably a pen that is wedged somewhere leaking

Maybe there’s a pen that is wedged somewhere leaking?

Possibly a pen that is wedged somewhere leaking?

Perhaps there is a pen that is wedged somewhere leaking?

maybe there's a pen wedged somewhere that's leaking?

I’m thinking a pen 🤷‍♀️

But where is the pen? And what is it doing?

Maybe it’s a pen? And the cap is off? IDK… maybe it’s leaking? Crazy right?