What is this

[Beavertail]

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[Get-the-point]

I see Indiana and PA in white ink or marker on the piece. Can you explain that and is there any other marks on it??

 

[Mark Todd]

I see Indiana and PA in white ink or marker on the piece. Can you explain that and is there any other marks on it??

I think that's "Indiana Co. (County) PA", very interesting.