Stumbled on this while doing research & thought it might be helpful to someone.
(http://4.bp.blogspot.com/_xWjoeLNcmQo/SmZIdP-7GpI/AAAAAAAADP0/b0_q2Sza1XE/s1600/neck%2Bshape%2Bchart.jpg)
My '90 MIA Tele is oval "C" shape I can take measurements if anyone is interested.
Tho I'm pretty sure it's '60's taper.