Better pics of the old map

[jtw1313]

Noticed line where it was folded and it was mounted to board

 

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[jtw1313]

It's copper plate line stone lithos have grain all over in the print like if you put a piece of paper over a rock a scratch with a crayon all over

 

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[ARC]

Then copper so be it.

 

[jtw1313]

Lol thanks for all your help arrc very helpful

 

[Plumbata]

Dang, from the sounds (smell) and looks of the thing it may well be legit, great score!