You ' re a terrible person . <| sep |> Borrow Anthony ' s mom ' s shoes . <| sep |> The fact that he kept that . <| sep |> It ' s not just state by state though . Sales tax in the US changes by county pretty often . <| sep |> A few grains would easily be a lethal dose , we ' re talking something that can result in death around 2050 micrograms . It ' s strong enough that a drop applied to the skin and quickly decontaminated is a medical emergency , with treatment . 675710001178 fulltextWe ' re seeing cases where carfentanil is being applied to blotter , which hopefully will reduce the number of deaths due to the use of dealers not using lab grade mixing equipment . And as of 6 months ago , labs in China would be happy to produce this for you for quite cheap , by the kilo . The USA allows for the production of 19 grams a year for veterinary purposes . And in 6 months , the chinese labs will have moved onto another drug and you ' ll be able to walk in , off the street and get it for something like $ 25 , 000 a kilo .