One thing i know about this topic is that the russell looking dogs and bitches that come out of good lines of black stuff always have a question mark above them by terriermen, whether they have been at it for 3 years or 30 years, they will always question or not believe you that the terrier is straight black stuff blood and ASSURE you that the terrier is a half bred russell/patt,fell type. When some of these terriermen are well known in their area or in general in the business but will not take on board that the terrier is pure black stuff it is disheartening, in a way because people say colou