Two 4-car Inter-City sets are seen at Taunton. Malcolm Clements.
A Swindon Inter-City set (later Class 123). Date, location and photographer unknown. Stuart Mackay Collection.
A Swindon Inter-City set departs from Portsmouth & Southsea (High Level) towards Harbour station in 1965. Steve Davies Collection.
A Class 123 Swindon Inter-City DMU seen at Dunbridge in 1967. Steve Davies Collection.
Not the best quality image but it is apparently the only known photo showing the existence of an all-blue Class 123 vehicle. Seen at Cardiff Central on a Pompay train, as part of a half set added for strengthening around Easter 1968. Stuart Davies.
A Swindon Inter-City unit at Paddington, September 5th 1972. John Reddyhoff.
A Class 123 Swindon Inter-City set at Reading. Date unknown. Adrian Vaughan.
A Class 123 Swindon Inter-City set at Nunnery Jct, undated. Peter Heppenstall.
A Swindon Inter-City set (with a Class 124 at the far end) passes out of Bingley station during a 20mph speed restriction in June 1978. Rex Holt.
A Swindon Inter-City Class 123 DMU in Manchester Piccadilly station on 03/06/1979. Graeme Phillips Collection.
E52092 leads a Swindon-built mixed Inter-City / Trans-Pennine set into Huddersfield on 8 June 1979. Malcolm Clements.
In August 1979 a Hull to Manchester Trans Pennine service formed of a class 123 unit waits at Selby. Ian Buck.
Class 123 unit at Hull in August 1979. Ian Buck.
A Swindon Inter-City Class 123 set in Doncaster station in 1980, with a refurbished Class 114 sits outside the works. Andrew Pilkington.
An unidentified Swindon "Inter-city" Class 123 DMU approaches Doncaster station with a Hull to Manchester (via Sheffield) service - c.1984. © 2017 - 53A Models of Hull Collection. Scanned from the original 35mm monochrome negative; photographed by Richard Czyzewski. 53A Models of Hull Collection.
A 3-car Class 123 set in Doncaster station in 1980. Whilst the vehicle number has been given an E prefix, the set number still retains a Western Region L prefix. John Law.
Swindon built class 124/123 hybrid DMU (Class 124 DMC E51951 leading) at Attercliffe Road with 2D71 16.23 Sheffield - Doncaster - 03/05/1980. Note the tail lamp, something rarely seen on trains these days. © 2012 - 53A Models of Hull Collection. Scanned from the original 35mm colour transparency; photograph by Garry Cartwright. 53A Models of Hull Collection.
A Class 123 passes through Brough. Undated. Tom Clift.
With a Class 123 on the rear, a set of Swindon-built vehicles heads out of Sheffield on 17th July 1981. Andrew McConnell.
A Class 123 Swindon Inter-City set at Nunnery Junction. Date unknown. Peter Heppenstall.