...that promoted touching up locos with a black magic marker before taking pictures. I recently purchased a couple of cheap postwar locos from different sellers that appear to be touched up using a permanent black magic marker. Actually, it's not a bad idea if it wasn't used to deceive, and would probably work great for small touch-ups on tenders. The only drawback is that it leaves a slight glossy, puplish sheen after it dries.
Off to Allentown.