> the initial 2 means it's a type 2 - transporter
> the second number is the model -
>      model  21 is the delivery van  (no windows on sides, no seats in back,
> one tone paint)
>      model  22  is the Microbus  (headliner,  3 windows on sides,  interior
> panels, rear and middle seats, two tone paint)
>      model  23  is the Kombi  (3 windows on sides,  no interior panels or
> headliner,  rear seat standard)  These were made into Westy campers
>       model  24  is  the Microbus Deluxe  (4 windows on sides, trim on
> beltline &bumpers, more shiny trinkets, sometimes w/ sunroof & skylight
> windows)
>       model  26  is the pick-up and double cab pick-up
>       model  27   is the ambulance
>       model  28  is the  walk through front seat Microbus
> 
Not to be difficult, but my '66 walk-through sunroof deluxe was VIN 256
something...