Sire has produced several national champions and has sons serving as herd sires in registered programs. Out of a daughter of the famed Promises Promises cow that has produced several sons and daughters that have been used as AI sires (Fireworks) and donors in registered herds.

Copperfield ranks in the top: 1% REA, EPI, 2% YW, FPI, 3% CW, MB, 5% TM, 10% WW,YG, 25% MK