Excellent Mini Herefords, Must sell. Your Gain. I am selling all of my animals, Must See to believe. 1. Mini Hereford Bull. 2 years old. Just what you want small and will produce excellent offspring. $1200. Polled with great markings, very gentle. 2. Mini Hereford Heifer. 3 years old. Beautiful female with great disposition, very gentle. $1700. Polled with great markings.