A Corgi Toys 214M Ford Thunderbird (Mechanical) Repro Box.
There are 3 issues of this model:
214 1st Issue without suspension
214M with the Mechanical flywheel fitted to the rear axle and a change to the chassis casting
214S with Suspension added to the 1st issue casting.
The last two photos show a comparison of the 3 box styles. This listing is for one box only.