What kind?

[GTK96]

Found at a huge dump today with stuff from 1650s-1920s and everything in between...what kind of bottle shard is this?

 

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[timekiller]

Would have been a soda/mineral water bottle.
Take Care,
Pete

 

[timekiller]

I'm going to change my mind on this one cause after looking at it better I'm pretty sure is a blob top beer now.I've found one before that got me thinking.It would have been a (Robert Portner).
Here's a site on them.........................

Chosi's Robert Portner Beer Page

Take Care,
Pete,

 

[GTK96]

That was my first thought too, thanks for the help