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Let's move on and help answer the OP's intended question. Myself, I haven't done anything on the NX's fin but I wrapped the roof and fin with gloss black vinyl wrap on my IS. If my NX was any color but black, its roof (and fin) would be wrapped.
I like the vertical stabilizer ...... at least it gives me some ideas about colors that maybe useful. LOL Would be unique to have a known tail number. Small letters of course. Or maybe just wrap with graphite vinyl wrap?