I finally completed our collages from our trip to Japan in 2006. It was a fun process, even if it was very start-and-stop.
I used matte medium to decoupage the bits and pieces of the receipts and maps and ticket stubs from our trip, then used colored pencil over the textured acrylic. Once done, I sealed the colored pencil with more matte medium, which caused it to blend together more while remaining transparent enough to see the collage below.