Thank you both very much. I was more concerned with construction technique than anything else on this one.
I did learn a bit about dying/coloring.. I really had little or no control over the end product. I used Feibings Pro Dye in Lt Brown and Dk Brown and airbrushed the edges with the Dk Brown. The odd markings showed up after it was cased (or what I thought was cased, still trying to get a feel for that as well) for tooling. I thought it was ruined, but it turned out that the mistake just added character. I guess you just get lucky some times. I didn't deglaze before dying and that may have caused it, or the tap water I used caused the reaction. I'm not sure and definitely not sure how to control it, or do it again.
The biggest thing I learned, is that I have a WHOLE LOT to learn. So again, thank you for the feedback.