Capped Bust Half Dollar Attribution Guide
Star 1 points between dentils. 3 leans to the right, and looks broken at center. This is the only 1823 obverse that has the 3 leaning right. (Obverse is shared with O-102.)
50 leans to the left. Two lower arrowheads are close, and attached to the shafts above. I centered under left side of T, and A has normal serifs.