Take a look at the scan of the back of the card, the information should be there. I'll be in touch ASAP. Take a good look at the front and back scans of the card. What is the age / condition of the card?.
Class 20 20137 20122 at Eaglescliffe British Rail Postcard
2 x Original Railway Slides: D9553 (37215, 20137) at Toddington 1994 42/390/465a
Picture Postcard::CLASS 20 20172 AND 20173 @ THORNABY DEPOT
Picture Postcard-:LOCOMOTIVE, 20 142 @ CREWE WORKS YARD [OPC]
Picture Postcard:;LOCOMOTIVE, CLASS 20 047 @ DERBY STATION [OPC]
Picture Postcard>>LOCOMOTIVE 20.122 @ POLMADIE DEPOT GLASGOW [OPC]