Here is an 1830 Small O variety Capped Bust Half Dollar, O-111 in AU55.  Rich luster when rotating under the light, no distracting marks, and just a touch of rub on the high points of the devices.  Both sides have colorful toning along the rims.  Gorgeous later date bust halve. 
 
This coin is approved by CAC. 
 
PCGS Cert. # 44743272