Most of them looked terrible after maybe a dozen hours of use. Some looked bad due to runs, some due to poor coloration as they tried to overpower the black and not let it show through. Many I have checked out were heavier due to the paint thickness and it was noticeable.
With the smaller coils on my Relic and CoRe I just bought the white colored coils for their Gold hunting counterpart..
Also, if you use coil covers, a paint job might leave the coil too thick for a already snug-fitting coil cover.
I'd make sure the paint used didn't have a metal compound in it.
If you should decide to ornament your detector coils, I am sure we'd like to see a photo of the finished product. As for me, I'll spend my coil covering project time for winter-time research.
Monte
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Metal Detector Evaluations and Product Reviews monte@ahrps.org ... or ... monte@stinkwaterwells.com 503-481-8147Fisher:(2), Nokta-Makro:(4), Teknetics:(2), Tesoro:(2)Killer B's 'Hornet' and White's Pro Star and Detector Pro's UniprobeNote: Detectors are listed alphabetically by Brand. Models are chosen based on search site conditions.*** All working well today to make memories for tomorrow. ***