Oxalic acid is used to remove dark stains from wood. Proprietary wood stain removers often contain it. But presumably since yours is real wood it will have a coat of varnish which would require gentle sanding away in the localised area before treating the stain.Hi, The stains are black spots probably caused by damp, and I don't know what a photo veneer is, but I have a hobby van and it looks and feels like wood, but I'm prepared to be proven wrong
usually is real wood veneer on German vans. But!Hi, The stains are black spots probably caused by damp, and I don't know what a photo veneer is, but I have a hobby van and it looks and feels like wood, but I'm prepared to be proven wrong