Need help IDENTIFYING

[jimzz977]

I found this bottom of a bottle at old per- civil war era fort , wondering is this old or modern

 

[jgas]

Anchor Hocking. 1937- present. Not a civil war base unfortunately. 1963-1975. Regards. Jgas.

 

[Icewing]

https://www.glassbottlemarks.com/anchor-and-h-entwined-mark-anchor-hocking-glass-corporation/

 

[jimzz977]

Thanks

 

[sandchip]

Wild patina that you would expect on a bottle a century older.