Series 1 was listed as 12 cars,
Series 3 as 6 cars.
The Web site has changed (August
2002) and now shows 4 series of 6 cars, the mystery deepens ....
I have to assume that
12 cars listed in series on reverse of card
I assume is the "Series 3" car,
Hood Open Display
16 cars listed in series
A collectors Set was also available, but is just 6
cards sleeved together