Capped Bust Half Dollar Attribution Guide
Obverse: Star 1 points to upper half of curl. Date is high, with a large curled 2 with a thick base. The thin stand of 2 is nearly broken off of base.
Reverse: C is higher than 50, and 5 is recut, showing left of upright. MERI nearly touch at base. Left side of E upright is in line with right side of D upright. I centered under right side of T.
Bottom photo shows the O-117a R4