From Whitby. There are no maker's marks or date marks on any of them from what I can see. I have used A/F for " as found " for 50 years.
Saltburn By The Sea From WHITBY - TPO - Railway Travel Post Office Plaque #TPO19
DANBY From Whitby TPO - Railway Travelling Post Office Sorting Plaque #TPO11
PHOTO (2) BR BO-BO DIESEL-ELECTRIC LOCO D7628 BUILT 1965 DEPARTING FROM WHITBY
BRITISH RAIL CHRISTMAS SERVICE TIMETABLE SUPPLEMENT London E Mids, N E, Dec 1962
