This little blue Thunderbird 4 is a mystery to me. It was seen recently in cyberspace. Anyone know what it is?
MYSTERY SOLVED! Grif, Andy and Mike B all knew exactly what this was - a Smiths Crisps premium. Cheers! Mike B has kindly sent some cool pics of the Smiths advert and his own lovely green Smiths Crisps TB4.
and here is the original crisp packet kindly supplied by Steve [in 2010, I forgot!] at the superlative