I used Zinssers paint on both glasses, I wanted black lettering. I used a rag and paint remover and gave the glass a wipe or two. Some paint didn’t come off so I left it on. Looks kind of cool in a way. I think I’m going to leave it on and let it wear off over time.
Randy
PS - I needed 15 letters in the topic bar, so I added some. LOL are !!