I've just acquired a 1955-56 Ideor Asso frame/fork w/ assorted original, mostly Campy, parts.

Present is a first generation Record headset, first generation Gran Sport pedals, an early iteration of Gran Sport front and rear derailleur, DT GS shifters, a Magistroni BB
and a Stronglight Competition 57 double crank set w/correct 49/46 chain rings. A few bits more ........

Low miles on all. Little wear. The passage of time has been the chief agent of change. Negligible corrosion/rust, no abuse or damage, generally excellent cosmetic, mechanical
and operating condition.

My question has to do with cleaning these parts.

I wonder if there's any reason to be concerned about how the value of any or all of these might be affected by how I handle the cleaning of them.

For instance, I have probably would have no qualms about thoroughly cleaning and polishing the headset or the pedals. Or, the crank. The derailleurs are another matter. I've seen
some examples for sale at hefty prices where cleaning was controlled, managed it seemed. Dust, dirt and grease evidence remained. No polishing, of course.

How does one determine how thoroughly to clean, in effect sanitizing part of a component's "biography" .

So, clean to the bone on everything? Polish? On selected parts? Which ones? Why?

Pics soon.

Thanks.

Julian