Ok here's some more tortoise.

A good early example with a lot of blonde parts. This type is my favorite:

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Next up, I picked this up from razor emporium for super cheap. (It was listed as celluloid... heh...). You can even see the bug bites in the original photo from the listing.

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These scales were too far structurally damaged to be used whole, so I put them to use in another project. Anyway, here's a bunch of pictures for reference of what the material looks like in various lighting conditions. These were also very matte from years of neglect.

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