Vin Code

i'm hoping that you guys may be able to help me with a question about my vin code. i have all the original document for my car : buyer's order & agreement form, and the application for reg. & licenceing of the car (sorry i don't have the window sticker). this all came with the owners manual for the car and radio. the serial # for the car is listed as - "V8B59214148" on both of these documents, the fender tag is missing the "B" from that series where as the tag on the door piller the "B" looks as though it was stamped there after the tag was made.

now is the serial # the same as the vin code or are they two separate numbers all together, and if they are the same which numbers do i go by with the "B" or with out?

any help would be apprecated thanks