What is this black stuff on my chickens leg should I be concerned because it doesn't seem to be bothering her

[Vannesa]

 

[RDchicken99]

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Looks like an old wound that scarred over. If she’s acting fine I wouldn’t be too concerned.

 

[Vannesa]

Looks like an old wound that scarred over. If she’s acting fine I wouldn’t be too concerned.

Ohh ok then thank you!