The picture shows an unusual variation of the pre war Hornby O Gauge Trolley Wagon in NE livery with brown base and blue bolsters. This version was issued between 1927-30.
There are 5 pre war versions in the NE livery as follows:
1923 version – grey base, black bolsters, NE and 50 TON TROLLEY in white
1923-24 version – grey base, red bolsters, NE (on left side) and 50 TON TROLLEY in white
1923-24 version – grey base, red bolsters, NE (on right side) and 50 TON TROLLEY in white
1926-27 version – grey base, red bolsters, NE (both sides) in gold and grey buffers
1927-30 version – brown base, blue bolsters, NE (both sides) in gold
For more information see our Hornby Train Price Guide 2nd edition