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How sad that thisa has to be your first post!!!
If you can't remove it or place the mask in its position in the outer ring and have it work, *wince* you'll need to reload an earlier saved game.
So sorry!
You might want to hold out hope that the great and mighty Wyvern could help you by sending her your saved game but more than likely, you'll have to go back to the earlier saved game solution.
Moni