Bentley,
Thanks for the clue - I believe the ones on the left are Saginaw, right are Muncie. I found a '69 console shifter pic for a Saginaw, and the "FS" marked levers are plainly visible. I believe there's a pic in MacNeish's '69 book that shows the "FO-FT" levers as for a Muncie -
I never really realized there would be a difference between the two transmission linkages, but considering the tailshaft differences, I guess so -
Regards,
Steve