First up we have a photo of a former London Transport, pre-war AEC Regal T499 at Upminster. The 38 seater was new in 1938 and has the registration ELP 223. Following behind is 1949 built London Transport RTL453 (KLB648) a rare preserved Leyland PD2 example of this famous class
Next up is ex Southend Corporation Daimler GLX913 which has a London Transport chassis with Massey Brothers bodywork of 1954 vintage. It was one of a batch of ten second hand Daimlers the Corporation used to replace its trolleybuses in that year
The penultimate photo shows former London Transport MCW bodied Scania Metropolitan KJD260P. MD60 entered service in the capital in 1976 at Peckham Garage. In 1980 it moved to Plumstead and was placed into store in December 1982. It was withdrawn twelve months later.
Ensign acquired the decker from a preservationist in 2008 and, after a lengthy period of restoration, it became operational again in August last year
My thanks to Tim for the photos and anecdotal information