| Owner: | Saint Louis-San Francisco |
| Type: | RPO |
| AAR Class: | PB: A car constructed for passenger train service and equipped to handle baggage, express, mail, merchandise or similar products. |
| AAR Type: | M510 |
| Detail Info: | Misc Cars |
| User Notes: | "Valley Park", P-S 1947, Baggage-RPO, Name later dropped |