Ex Cosford?
Tiger Mate
Are not the ones for sale those that you refer to?
The ad says "IDEAL POTENTIAL RETURN TO FLIGHT AIRCRAFT HAVING BEEN USED FOR INSTRUCTIONAL GROUND TAXI USE FOR THE TRAINING OF GROUND CREW. LAST FLOWN IN THE EARLY NINETIES BUT HAVE BEEN REGULARLY GROUND RUN, PROFESSIONALLY MAINTAINED, DRY STORED/SERVICED FOR GROUND TAXI USE UP UNTIL LAST YEAR."