Blackmar-Diemer Games 2: Declined 1.d4 d5 2.e4 dxe4 and 1.d4 Nf6 (Sawyer Blackmar-Diemer Gambit)
| Country | USA |
| Brand | Bon |
| Manufacturer | Bon Tool |
| Binding | Tools & Home Improvement |
| ItemPartNumber | 11-170 |
| Model | 11-170 |
| Color | Aluminum |
| UnitCount | 1 |
| UPCs | 743153111703 |
| EANs | 0743153111703 |
| ReleaseDate | 0000-00-00 |