The following Trident 2s flew in the BEA scheme :- G-AVFA, B, C, D, E, F, G, H.
These BAC 111s also flew in the BEA scheme :- G-AVMH, I, J, K,
There's plenty of photos to be found by a quick search on Google, just search by the registration letters and you will find them. Also
https://www.airliners.net/ is very useful if you use their search facility (by registration letters).
Have fun and stay safe.
Eck