That should be your hand crank, or have a key slot(electric) for rolling the rear window down.. Should look something like this. That was the only part missing on my wagon when I bought it, I managed to find one on EBAY...
1960 Pontiac Strato Chief Safari 1960 Laurentian Safari 1960 Laurentian 4door(scrapped) 2001 Grand Am Traded on a '96 Suburban 2WD 2002 Hyundai Accent(SOLD) 1968 Grand Parisienne Scrapped and SOLD
very cool ride, so what part of england are you from? My wifes family is from there and we have her sister comeing over here soon from storth? i believe.
ahh, i go on holiday by storth! im from a place called bromsgrove jus south of birmingham. Dont suppose anybody has got one of the keyslots spare anywhere?? my car has been converted to an electric window!