Country of origin unknown. About the second half of the 20th century.
 Strong transparent glass about 4 mm thick.
 Sizes 8 x 8 x12 cm. Weight 360 gr.
There is a bulge on the front side, obviously for the label.
There is also a rectangular cavity for the tag on the left side.
On the right side there is a bas-relief of a maple leaf,
 in the middle of which a curly letter B. 
There are no other identification marks.
The cork has a kapron ring and tightly closes the neck with a slight click.
The photos 2-5 of the bottle are made with filled water.