The following photo's can be clicked on to open full sized (I did this rather than make the full sized photo appear here)...
This is why I initially called it a 1970-1975 emblem (taken from my "1967-1975" MPC, printed November 1974; I use this one the most, as it has the earlier part numbers);
Then to further confuse things, this is from my "1967-1976" MPC (printed December 1975):
I believe that by reading between the lines of these two MPC's, you can deduce that the early 1975 model year cars used the early badge, eve3n though the "official" 1975MY badge was the second design... But I digress this point doesn't matter too much for the question at hand...
Then there's the last one, taken from my "1977-1981 Pontiac" MPC (which is states "effective August 1985"):
You can see that the 1977+ badge was in fact the same one used for 1976, and was replaced by the stick on part by at least 1985 ~ if not sooner...
So then, if there is a fourth part number for a stick on variant of the first badge - does someone have it (or an MPC to share a picture of)???
