There are 3 for sale at Bike Specialists in Sheffield, but none are No 066 - they have had many through their doors say could be worth asking them if they have seen it
He's colour blind and thinks they are brown or he fell for the 1980's marketing ploy too luckily you didn't Mr Silver Ducati
You could always mail Ducati and ask them which market 0066/1500 was sold in. The last 4 numbers of the VIN on Desmosedicis is the same as the yoke number. I don't know whether they will gove you information on a bike you dont own though.
I stopped at Sherburn last year on my 1098R at exactly 6666 miles, got off the bike, turned around and @El Toro was looking at me