Hello to anyone with 1959 truck day/night mirror.

What did the correct inside day/night mirror look like
for Chevrolet trucks in 1959? Most supplier's catalogs show the variety from 1947-1956 with a ribbed back. In
1959 GM's Motorama display shows a different mirror,
but it was not a close up view.
I'm asking anyone who may have knowledge on this
subject to respond.

Thanks Charles