Colt Python 4.25″ Blem Model .357 Magnum ZPYTHONSP4WTS 357 Mag Factory New. This model is factory new, however, it is considered a BLEM model. This means it will have a minor blemish of some sort. Usually, Colt blem models are extremely small marks or blemishes that are not noticeable under most conditions. This item does indeed have the factory new Colt warranty.