Vintage Cobalt Blue Bottle

Probable Date: 1880–1930

Type: Chemical, pharmacy, or laboratory storage bottle

Key Features:

• Very thick, heavy glass—common in lab or apothecary use
• Beautiful cobalt color—highly collectible
• Machine-finished lip (looks too even to be hand-applied) → late 19th or early 20th century
• Bluish lab bottles were widely used pre-WWII