Brian,

I decided to call the local Hobbyland and see if they had any ideas. They did. The lady I talked to said that she thought goldleaf would work and when she said goldleaf a light bulb came on. That is what I had been told to use years ago, but could not remember.. I am going to try that out. Hopefully that will work on the gold lettering but I am still looking for a solution for white lettering, which is probably the most common color used. She did not have a solution for that one.