Capped Bust Half Dollar Attribution Guide
Obverse: there is a stair-step date. The 8 & 4 are higher than the adjacent numbers giving a stair-step appearance. Star 7's upper point is recut with the recutting showing on both sides. The mouth is open with an ugly curl to the upper lip.
Reverse: Sloping die lines are visible under the stripes of the shield. The letters of UNITED have been recut and shifted right. This is most obvious on NTED.