Cobalt Blue Medicine Bottle Value Guide

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Cobalt Blue Medicine Bottle
Estimated Value
$25 – $40
Period
1880-1920
Origin
United States
Materials
Glass, metal or plastic cap

This American-made cobalt blue medicine bottle represents a pivotal era in pharmaceutical history between 1880 and 1920. Collectors prize these vessels for their striking deep blue hue, which was originally designed to protect light-sensitive medicines and provide a visual warning for poisonous contents.

What Is Cobalt Blue Medicine Bottle Worth?

The typical price range for Cobalt Blue Medicine Bottle is $25 - $40 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

  • The presence and condition of the original dark metal or plastic screw-on cap significantly impacts the $25-$40 valuation.
  • Clarity and intensity of the cobalt blue pigment, with deeper and more uniform colors commanding higher prices.
  • Overall physical condition, specifically the absence of chips, cracks, or heavy 'clouding' from ground burial.
  • Historical provenance or specific embossed lettering that identifies a particular pharmacy or medicine brand.

How to Identify Cobalt Blue Medicine Bottle?

  • Look for the distinct deep cobalt blue glass color characteristic of late 19th-century American manufacturing.
  • Check for a threaded neck designed for a metal or early plastic screw-on cap, typical of the 1880-1920 transition period.
  • Examine the base for maker's marks or mold seams that indicate authentic turn-of-the-century production methods.
  • Verify the glass texture for slight bubbles or imperfections common in antique glass from the United States.

History of Cobalt Blue Medicine Bottle

Cobalt blue glass bottles became popular in the late 19th and early 20th centuries, often used for medicines, poisons, and cosmetics. The blue color helped protect light-sensitive contents from degradation and was also a distinctive way to identify dangerous substances like poisons. These bottles are now highly sought after by collectors for their vibrant color and historical significance.

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