Several of these are not all the same quality as shown.
Many have incorrect font.
Don't fall for those claiming 77 and 78; use the same emblems.
I have NOS emblems and a few repros for when I was doing comparisons.
When bored, you can still restore the original emblems if the chrome isn't too bad.
Here's a rough 76-77 emblem #498834.
Repros weren't always available or decent. Little projects keep you busy when there is nothing else to do!