This is why I love the internet. It’s moments like these. The elusive secret to making antique looking paper is grunge brushes. I used avariation from what I learned from the following youtube video. My end result wasn’t exactly the same because I used the techniques shown to make the paper look closer to what I needed it to look like. But the technique is the same. Grunge brushes, varying gradients of color right next to each other on the color swatch.