Smokebox numberplate 60145 ex Peppercorn A1 Pacific 4-6-2 built at Darlington in 1949 and named Saint Mungo. Allocated to Gateshead, Copley Hill, Darlington and 50A York North from where it was withdrawn in June 1966 and scrapped. In as removed condition. 60145 was the last of the A1's to remain in service.