1884 to 1920 Brown Flask-Shaped Bottle Bearing Edgar Breffit and Co. Mark.

 

Brown Flask Shaped Bottle bearing E B & Co Ld on the bottom.  The bottle would date to between 1884 and 1920.

It has small bubbles in the glass.

Flask shaped bottle with E. B. & Co. Ld. on bottom.

The mark indicates the glass maker as Edgar Breffit and Company and indicates a date of 1884 to 1920.

Here is a detailed article on the mark and company.

EdgarBreffit&Co.pdf (sha.org)