| Present Location | NRM York |
| County Location | York |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 181 |
| Lot number | 30721 |
| Type | BSK |
| First Number | 35468 |
| Later Numbers | 99953 |
| Present Number | 99953 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1990. Minor alterations internally (including one compartment in use as washroom) for use as main line Support Coach. Usually stays with loco, so often away from the Museum. 11/11: in use with 'Green Arrow'. 04/17: in use with 'Flying Scotsman'. 2024: in use as 'Flying Scotsman' support coach after overhaul. |
| Owner | National Railway Museum |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Good |
| Internal Finish | Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Fair |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Open |
| Operating | Yes |
| Survey Date | 09/01/2002 |
| Surveyor | Kevin Stroud |
| Photo Date | 20/04/2017 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 10/08/2024 |
