Too bad it's a male. I could see breeding a known het pied male to a markered female purchased as a normal because you wouldn't be using up even a whole year's worth of breeding potential for the het pied male. But I wouldn't want to risk it the other way around and possibly waste an entire breeding year (or more) for a 100% het pied female breeding her to that male when you could buy a 100% guaranteed het pied male so cheap and avoid the risk. Maybe breed him to a normal if you want and see if you get any daughters like him to hold back and eventually figure out if you have something.