| Present Location | Pontypool Blaenavon |
| Designed For | BR |
| Build Location | York |
| Built by | BR |
| Diagram number | 93 |
| Lot number | 30375 |
| Type | TSO |
| First Number | 4677 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1983. Corrosion problems: doors, doorframes, window frames, lower cladding. Vacuum release valve, bell at one end for push/pull operation. Seats etc from other vehicles stored within. OOU, but reported 2/08 that work planned after 21034 (qv) completed. |
| Owner | Big Pit Mining Museum |
| External Structural Condition | Poor but Substantially Complete |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Satisfactory |
| External Finish | Satisfactory |
| Internal Finish | Satisfactory |
| Degree of External Originality | Some replaced/reproduced material |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Good |
| Degree of Internal Authenticity | Good |
| Degree of Underframe Authenticity | Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Open |
| Operating | No |
| Survey Date | 25/07/1999 |
| Surveyor | Michael Cope |
| Photo Date | 01/06/2004 |
| Photo by | Byron Chamberlain |
| At Risk | No |