How to find the number which car came of assembly line

[louisjessica]

how can one find out and certify the number of '87 vw fox that came of the assembly line and what number it was in line?

[Jetta2]

VIN decoders exist to give info.

The last 6 digits will be a serial number and would have started with 000001 (being the first one off the line).
Whatever your Fox's number is, is what it was on the production line.

[louisjessica]

Vin ends with 870008