I get 1-10
But what year 67 68 69?
I assume it is 68 by the engine number "52". In 67 it would have to be would be "62" for 383 4bbl. A "52" in 68 is a 340 4bbl.
It's not laid out like a 69 so it must be a 68 GTS OR the tag is mis-punched for a 67.
This is why it is helpful for the OP to include additional info about the vehicle.
Lastly the OP has 67 in his handle Monk67 is that because he is 67 or because he has a 67? Or maybe he just likes the number 67?
