finally reverted to "Sunshine Yellow" lettering and numbering after the war. Nos. 496–515 were built between 1919 and 1921, and Nos. 823–837 were delivered from Eastleigh during 1927 and 1928 and a further ten, No.838–847, were authorised in 1931. British Railways After a period in British Railways transitional livery the entire class was painted in British Railways Goods Black livery with no lining, the numbering located on the cabsides and the British Railways crest on the tender sides. Numbering was initially as per Southern Railway with an "s" prefix, but the locomotives were eventually re-numbered under the British Railways standard numbering system according to batch. They were numbered in the series of 30496–30515 for the Urie batch, 30823–30837 for the second batch, and 30838–30847 for the third. References Notes Bibliography Further reading External links Urie/Maunsell S15 class 4-6-0 Southern E-Group Class S15 Details at Rail UK S15 4-6-0 locomotives S15 Railway locomotives introduced in 1920 Standard gauge steam locomotives of Great Britain Freight locomotives 2′C h2 locomotives