So some additional decals have been added to the model.
A recognition marker on the shoulder identifies this as a British machine.
A W prefix number on the thigh (and the back of the hip assembly) identifies the vehicle. A green squadron mark is more a check on placement and size than a final item It should probably be a white ones, and smaller (20 or 15mm scale).
On the cannon arm are similar set of markings.
View of the back of the walker. The exhausts are missing (I seem to have lost them). They will need to be replaced with scratch built items.
Size comparison with a British Steel Armoured Infantryman.