Some Corsa As still waiting to be turned into Corsa TRs; mind you there are some Corsa Bs and Cs in there as well which are not called TR:
http://www.imcdb.org/vehicles.php?resultsStyle=asImages&yearFrom=&yearTo=&makeMatch=- 2&make=opel&modelMatch=1&model=corsa&modelInclModel=on&modelInclChassis=on&class1=- 1&origin=&madein=&madefor=&role=