I decided to build a Crown of Deceit for Kazus Highpriest cos. After many poor braincells died in the process of which material to chose, how to build it and many more decisions I came up with the following:
I used as reference
The mask itself, hard-pvc:
the headband, a cute little selfmade spine:
Horns will be styrodur, everything painted according to artwork or laminated with goldfoil