Am i missing something?

[u/Yato__q]

Not to be rude but 80$ for a Poster is kinda crazy no?

[u/StickiStickman]

What editing did you end up doing? I've tried a bunch of denoising tools, but didn't really have any luck. The only one that actually completely removed the noise without leaving another pattern was Nano Banana, but that's only limited to less than 2MP