Pictures 1 and 2 are the same item. Same goes for pictures 3 and 4. All found in areas of high concentration of pyritized wood from the London clay. Any ideas on what animals these came from?
(I can take detailed pictures with my DSLR if it would help. Just used my phone for these shots for now)thanks.
Tried all of them with a strong magnet and nothing is magnetic. They were in the same pile as the shark vertebrae that I found.
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