COMPANY : BLANKENHEYM & NOLET B & N - KEY
TRADE MARK : KEY
CIRCA :1880 - TAPERED TOP
The latest find is the tapered top example on the left - 9 inches in height.
Its companion on the right with a flared top is 9.5 inches in height.

On both bottles, note how the "and - &" symbol has been cleverly integrated into the pictorial KEY.