US&S H-2 Searchlight Signal Question

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I posted this before, but in the wrong section. I'm in the middle of restoring a US&S searchlight signal. I want to restore it to a near factory condition as built for the SP. What I need to know is if the hood and front of the target were painted flat, semi-gloss, or gloss black. I've seen pictures showing all three. I've restored this dwarf before, and a coat of flat black looks good, but i want this to be correct.
The issue is that hoods and backgrounds get repainted all the time by the maintainers, and they just use the paint they can get their hands on from either buying it themselves at the store, or a foreman/supervisor buying paint. And most if not all of that paint is just bought at the hardware store in rattle cans, so it's what ever was picked up.

My assumption is they should be flat black. The idea of hoods and backgrounds is to make the signal light standout and block out other light. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to