Capped Bust Half Dollar Attribution Guide
1826 O-109 R1

Reverse: AT of STATES touch. The bases are in line. (On the O-101 the AT touch, but the bases are out of line with the base of the T higher. AM of AMERICA is joined. There are other coins with AM either joined or touching. ...but the O-109 is the only die marriage with both the AT and the AM joined.