WHAT'S THIS

[tronca06]

HELLO EVERYONE . a friend of mine he found this weird stone we couldn't find out if it worth something or no can you help plzz

 

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[stdenis_jd]

Could be a Hertfordshire Puddingstone if it was found in the general area of Britain. Otherwise looks to be a cool looking breccia.

 

[Eu_citzen]

I'd also guess breccia, which usually holds little value.