@ wolfofthesea - This thread is for getting assistance with Forum related issues, as outlined in the first post.
It sounds like you were scammed. Unfortunately, there is nothing that can be done to reverse your trade. Jagex does not return items or wealth lost due to scamming.
Lost Items
Scamming prevention guide
The
~Discontinued Item Status V66~
and the
Treasure Trail Items Status V9
threads in the Items Discussion Forum, usually have fairly recent price ranges on the high value tradeables that you can use for a rough idea of what the going ranges are. As J Mods have said in the past:
Original message details are unavailable.
We advise everyone to do their own research before participating in discontinued and/or high value items.