The Official Blackbook Price Guide to United States Postage Stamps 2009, 31st Edition (The Official Price Guides to)
| Country | USA | 
| Brand | Harper Perennial | 
| Manufacturer | Harper Perennial | 
| Binding | Paperback | 
| ItemPartNumber | 9780060995065 | 
| ReleaseDate | 1998-04-24 | 
| UnitCount | 1 | 
| EANs | 9780060995065 |