I have several of these it turns out. Pic 1 is a photoshop of both sides. Pic 2 and 3 are the actual item. One side each. Used to promote the final ever open day at OOC before sadly it closed. Will be sent in bend proof envelopes.
OLD OAK COMMON ENGINEERS SIDINGS SIGNAL DESCRIPTION PLATE.
BRITISH RAIL TIE OLD OAK COMMON still in wrapper FAST POST
Original Railway Traffolite Plate ~ OLD OAK COMMON TO WOOD LANE E.B
1958 Fascimilie Old Oak Common Passenger Railway Engine Workings Western Region
Bachmann 38-677 OO Gauge GWR Shunters Truck 'Old Oak Common' Boxed
'76 Fascimilie Passenger Train Working Paddington Stn Old Oak Common Marshalling