Wistarburgh 1740 to 1750 ( mallet ) or Porter bottle.

[Steve/sewell]

11 This angle gives you an idea of how large the depressed area on the base is. It is however not as deep as a typical British bottle of the same time frame.

 

[Steve/sewell]

12

 

[Steve/sewell]

13

 

[Steve/sewell]

14

 

[Steve/sewell]

15

 

[Steve/sewell]

16

 

[Steve/sewell]

17 There is no detectable base wear.

 

[Steve/sewell]

18

 

[cyberdigger]

Wicked crude..!! Looks like it had an acid bath though..

 

[AntiqueMeds]

looks like its lost a lot of glass through devitrification. I'd like to see an attic example.