Thanks for that. I do not have a use for one of these starters right now or in the foreseeable future.
New starters tend to cost a couple hundred dollars, if you can get 'em. "Remanufactured" starters, for this application, maybe $80.
Sure. They've gotten difficult and expensive to buy any more, but you can use the later plastic type of valve: Remove the metal valve and its locknut. Save the 2-legged spring from the underside of the PCV valve "cap" that fits on the valve cover. Make a sandwich in this order: PCV valve (push the non-hose end through the cap from outside to inside), spring retainer, grommet (push onto non-hose end of PCV valve from the bottom). Sometimes the spring retainer won't fit over the plastic valve and you have to leave it off. Push this "sandwich" onto the valve cover chimney. It won't look original, but it'll fit and work fine. The old metal valves can be cleaned and re-used for years, but after awhile they just plain wear out. The spring gets tired, the plunger gets worn, and then they cause poor idling.

It would be easier for you to find a '66-'69 valve cover -- same as the one you show here, with the ridged top, except instead of the rear chimney/cup arrangement for the PCV valve it has the rubber grommet for E-Z snap-in mounting of a metal or plastic valve.