Anyone know what these tags means?

[TheMustangMan]

http://www.ponycar.dk/garageupdate/imagepages/image26.php
http://www.ponycar.dk/garageupdate/imagepages/image28.php

The car is at 67 Convertible...

 

[golf4283]

theyre part of the decoding numbers. when I redid the engine bay on my 66 the front end gave away all the info on my door tag. It was pretty cool to see something that hadnt been seen since 1966.