The box shown here is for the Dinky Toys #450 Bedford TK Box Van model.
It is a yellow 'Supertoys' style lid & base type box with a scene on the lid.
All models were green with white panels showing 'Castrol' in red on the panels.
However, the illustration on the box lid shows a model with a black cab and chassis with a red box rear.
Please don't ask me why this is - you'll have to contact Frank Hornby for a definitive answer !