Look out for indications of mildew. If the thing is any environmentally friendly mildew, white fuzzy mould, or dark black spots (mildew) over the mushroom, tend not to take in it. Don’t worry if the thing is blue staining—this is widespread in Psilocybe mushrooms and an indicator that the mushrooms https://psychedelicfarmmeds.com/product/dreamland-psychedelics-chocolate-bar/