Transfered from the thread "New arrivals".
Well done Dave, I just saw a set on eBay for 200 Pounds! Now you have that one, maybe you could look for another with the variation as shown below. The gap between the end of the front bumper and body is filled in and by studying the sets that have turned up on eBay, this seems the usual variation not the open ended bumpers.
Then there is the last version of the 689 with plastic hubs and driver: