[Thor]

I mix my own TESTORS Enamel to mimic the off white ivory MAUSER paint color or the "baby poop" yellow/tan DWM/Erfurt color. Clean the marking with alcohol or acetone and dry. Put the paint in place daubbing it on the marking with a blunted tooth pick marking sure to break up any air bubbles. Lay the frame down level so the wet paint is equal thickness on the marking as it drys. In about 4 hours, run an alcohol soaked patch across the dried painted marking to remove the excess. This takes multiple passes to take the dried paint off the marking on the surface leaving the dried paint that is down in the markings. If the paint is really really really dry (like overnight or a week) if is going to be difficult to remove the excess. A qutip or patch with a LIGHT application of acetone will melt the surface paint quickly. All you are doing is softening the surface. If you use TOO much acetone you will pull some of the paint from the interior letters or numbers (not desirable) The 3-4 hour drying (depending on air humidity) and the alcohol patch is much more forgiving and gives GREAT resulst. I repaint EVERY safety marking (assuming GESICHERT or SAFE) on frames I restore.