This is a vintage COBALT Bromo Seltzer 4" bottle from around 1900, manufactured by Emerson Drug Co in Baltimore, United States. Its distinctive blue color and medicine bottle type make it a rare and collectible item for enthusiasts of antique pharmaceutical artifacts. This bottle represents a piece of history from a bygone era and is a sought-after addition for collectors of vintage American medicine bottles.

Please refer to photos for actual condition. I will combine shipping if you purchase more than one of my listed items. Thank you.