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to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Not Kapala - the disc is too thick that doesnt match with real human skull, not to mention bones will shrink, and also the colors and many other details show that it's definitely not from human skull bones