Is this a treasure sign?

[ersbel]

What is the symbol on this stone? Could this be a historical stone? Is this a treasure sign?

 

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[Aronia]

What is the symbol on this stone? Could this be a historical stone? Is this a treasure sign?

View attachment 1920477 View attachment 1920478

yes, is it.
I think it's under the stone. But be very careful. The sign marks a danger.