The cartographic piece is interchangable so yes, this is just a test. The one I used in my challenge entry is what I'll probably put on the final and it does look like parchment. I just never saved the image other than where I put it into Bryce as a texture..a bit of C&P don't ya know. As to the meaning of the markings...."Arrr mate, and why would ye be thinkin a pirate would divulge his secrets?"