Odd flint sample

Odd flint sample

Observation - Odd flint sample. Description: A small broken flint piece about 4cm long with something (to me at least) odd within it. It looks like a fossilised coral, but can you get fossils within flint? Can someone give me a clue what this really is?

A small broken flint piece about 4cm long with something (to me at least) odd within it. It looks like a fossilised coral, but can you get fossils within flint? Can someone give me a clue what this really is?