Turn signal reflector painted blue

[dwill49965]

I used to think a PO tried to paint my drivers side turn signal reflector blue for some reason. My passenger side one is normal (shiny, non painted).
However, today I was out scrounging for parts and came across this 78 with the same blue paint on the driver's side turn signal reflector. The passenger side one was without blue paint.

Can anyone explain? Anyone else have the same thing? Is it a '78 thing? A Canadian thing? A '78 Canadian Westy thing?

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Darryl
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'78 Westy, Boston Bob built 2.0 L, FI, MSD 6A

[Dead 1]

My 71 had a slight tint of blue. I dont know why.
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"I reject your reality and replace it with my own"

"The American Dream - true enough because you gotta be asleep to believe it"
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71, 1776 cc.

[DanWesty]

I think the metal alloy that the plastic is covered with turns blue as the metal oxidizes. When I was cleaning rattle can paint off my bus with oven cleaner I accidently got some overspray on those reflectors and it turned parts of them blue right away. The color blue in chemical reactions usually means there's copper present.
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1977 Volkswagen Westfalia Deluxe

[dwill49965]

That reasoning makes sense to me. I tried cleaning it off with some Varsol, and scoured a bit (thinking it was paint), but it mostly just made a mess and only came off a little. I'll just leave it alone, as it's plenty bright in any case.
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Darryl
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'78 Westy, Boston Bob built 2.0 L, FI, MSD 6A

[Dead 1]