Look out for signs of mildew. If the thing is any environmentally friendly mold, white fuzzy mold, or dim black spots (mildew) around the mushroom, tend not to eat it. Don’t fear if you see blue staining—this is prevalent in Psilocybe mushrooms and an indicator that the mushrooms contain psilocybin.  https://mysocialfeeder.com/story4391314/how-much-you-need-to-expect-you-ll-pay-for-a-good-strongest-psilocybin-chocolates-usa