| Present Location | Severn Valley |
| County Location | Worcestershire |
| Designed For | GWR |
| Built by | Metro Cammell |
| Diagram number | O11 |
| Lot number | 1378 |
| Type | PMVG |
| First Number | 1257 |
| Later Numbers | 079060 |
| Present Number | 1257 |
| Current Livery | GWR brown |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | GW(SVR)A give date as 1924. Used as mobile store for Thomas materials and Santa duties. 10/07: external refurbishment completed, including new roof canvas and repainting. |
| Owner | Great Western (SVR) Association |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Very Good |
| Internal Finish | Good |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | Some replaced/reproduced material |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Unique |
| Historical Importance | Some Importance |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 25/08/2007 |
| Surveyor | Kevin Stroud |
| Photo Date | 03/09/2022 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 04/02/2023 |
