Moen replacement identification

[Kmccoy]

My husband and I have a home built in 1979 that we are renovating piece by piece. We would like to replace the tub shower fixtures, but need to ID what updated version we need to purchase. Can anyone offer guidance?

 

[breplum]

Moen. Non-pressure balancing valve with diverter.
LMGTFY Moen Legend Tub and Shower Escutcheon Plate with Diverter Hole