I went out and found a nice medium gloss clear acrylic paint at the store. I was a bit worried at first about what if it did not fully dry clearly or if it would interact weirdly with the other paint, but my worries did not live long. After testing it out on the inside of my crown, I found that it actually had a nice shine to it when dry and added a clearness to the metallic paint. In my opinion, it truly looked like a metal crown. I painted the entire crown and went to bed, and when I woke up I found that it had dried evenly and clearly.
