I wouldn't worry about it too much guys....The trade has now been completed and I think both people are happy with it.
I am getting the 11RF1 side (never finding one from over 3 boxes of shadows) and have bought a few boxes of
Mount Doom, only to ever pull 1x treebeard...
CCG obssession is an okay guide if what you want to do is buy individual cards, and ebay is an okay guide for what the general population thinks they are worth.... but IMO when it comes to trading it's all about who wants what more...
It is always interesting to hear other people's opinions though...