Paddington Ephemera Auction, Postal Version
| Lot 871 | Sale 354 |
| This lot sold for £16 to bidder number 9993. |
| Signalling Paperwork:Train Control, Knebworth 1953 |
| Lot 871 | Sale 354 |
| This lot sold for £16 to bidder number 9993. |
| Signalling Paperwork:Train Control, Knebworth 1953 |