Class Field Theory (AMS Chelsea Publishing)
| Country | USA |
| Brand | Hohner |
| Manufacturer | Hohner |
| Binding | Electronics |
| ItemPartNumber | M2013BXG |
| Model | M2013BXG |
| Warranty | 90 days. |
| Color | Silver |
| ReleaseDate | 2021-02-08 |
| UnitCount | 1 |
| UPCs | 190786076839 |
| EANs | 0400912663117 |