Watch out for signs of mildew. If you see any inexperienced mould, white fuzzy mildew, or dim black places (mildew) over the mushroom, do not eat it. Don’t stress if the thing is blue staining—this is typical in Psilocybe mushrooms and an indicator that the mushrooms have psilocybin.  Magic truffles https://psychedelicfarmmeds.com/product/funguy-mushroom-chocolate-bar/