Every animal whose death had been caused by an inflammatory disease, smallpox, scabies shall not be sold. Those [animals] whose species, once having been skinned, could not be easily diffentiated shall be explicitly indicated in a card in order to help the sellers ['para gobierno de los compradores'], doing the same the sellers of lard indicating whether the animal was male or female at the same time they express the price, upon the pain of 1 duro.