Data plate on front panel

[grayg40]

Does anyone know what the numbers are at the top left (i think) beside the vw stamp on the data plate thats on the front panel?
Would this be the production number or is everyone the same?
my number is 1370

[quiksilver_jake]

dunno mate mines missing 

[hayesey]

haven't had one on my car for years ever since I threw it in the bin by mistake.

[grayg40]

does no 1 know what this number is for?