It's the cheapest check there is and it doesn't depend on anyone's honesty.
A doe under four has a full, wide set with no gaps. By five or six the teeth start spreading and wearing down at the gum line. Hermina's mouth is wide and even, which puts her in her prime, and she's producing like it — a gallon at each milking, three months since she freshened. $400.
Ewe lambs are five and six months, $250 apiece. Ram lambs are six to eight months, $200 apiece. Both bunches shed their coat instead of needing a cut.