Early American copper collectors generally categorize the coins still further into thirteen different varieties under the Sheldon system.
Wreath | The Seven-Per-Cent Solution | Laurel wreath | wreath | Quarter Moon in a Ten Cent Town | laurel wreath | The Mountain Wreath | Liberty Cap Large Cent | Flying Eagle cent | Disco Inferno (50 Cent song) | Curtis '50 Cent' Jackson | Ac'cent | 99 Cent II Diptychon |