Watch out for signs of mold. If the thing is any environmentally friendly mold, white fuzzy mold, or dark black spots (mildew) over the mushroom, never take in it. Don’t fear if the thing is blue staining—That is popular in Psilocybe mushrooms and an indicator that the mushrooms have psilocybin. https://ricardonljcw.educationalimpactblog.com/56339637/5-easy-facts-about-mushroom-chocolate-uk-described