Rarest A-Body Option?

I have only ever seen that on a GTO

it took a little time but i found two pics of 1975 mexican bees

http://www.autohobbydigest.com/jpg.php?mb4009.jpg

http://www.autohobbydigest.com/jpg.php?mexsb047.jpg

and one of a 1974 mexican bee

http://www.autohobbydigest.com/jpg.php?mb4008.jpg

all 3 have a hood mounted tach