88mm Flak case - colour/finish

[Derek]

I recently acquired an ex-Finnish 88mm Flak case in steel. This one has been stripped of the original post-war grey paint, it is marked 88mm Flak 18, 41 aue and something?
I want to restore this with the correct colour and finish but unsure how to continue. I have found a picture taken at a museum that shows the steel and brass cases but what is the correct colour? Is it lacquered?

If someone could let me know the colour/finish, perhaps with a RAL code that will be greatly appreciated.

Also one other question, is it correct to have the fuzes painted white???

 

[Tmine35]

I have several original condition cases, made of full brass or brass coated steel, however no lacquer at all. Logically, parkerized or lacquered steel cases should appear as well, but I haven't seen them.

Fuze should be in plain metal color, not painted. AP-shell may have white tip or not, depending of projectile type.