Lowestoft Corporation 28/9, LBJ743/4, AEC Regent III / Massey H30/26R, new in 1951. They were withdrawn in 1975, three years after this photo was taken, although by then the fleet has passed to the new Waveney District Council.
On the far left is an ECW bodied AEC Swift.

Photo taken by Eric Thompson, September 1972, Lowestoft