...Have you found further images of planes with the sharp painting or repainting on the fin leading edge?...
...I don't see resemblance between the repainting of the plane of Sukhov and the ones with the sharp painting.
Hi Massimo.
I am sorry but I did not understand what planes and what metal plates you meant. I thought you meant rear fuselage reinforcement.
You asked for another sharp painting or repainting. So I provided another photo of repainting, even not so sharp.
I know repainting on the Klubov's Cobra looks differently from repainting on Sukhov's Cobra but they both are repaintings of the leading edge of the tail.
Of course I am not sure about the particular color. However I never met any info or photo supporting thoughts about red leading edge on any plane in 16 giap. Therefore I consider different green color more probable (although not 100% sure) than red color for leading edge of the tail on Klubov's Cobra.
Regards,
66misos