Temperglas Bottle Value Guide

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Temperglas Bottle
Estimated Value
$10 – $20
Period
1940s-1950s
Origin
United States
Materials
Glass
Category
Temperglas

The Temperglas bottle represents a mid-century innovation in American glass manufacturing, utilizing specialized heat-treatment processes to enhance durability for pharmaceutical and food storage. These clear glass vessels are highly collectible for their industrial history and the distinct 'Temperglas' branding found on the base.

What Is Temperglas Bottle Worth?

The typical price range for Temperglas Bottle is $10 - $20 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

  • Condition of the glass, specifically the presence of chips, 'sickness' (cloudiness), or heavy surface scratching.
  • Clarity of the embossed 'Temperglas' and '1521' markings on the bottom.
  • Historical context or original contents, such as pharmaceutical or beverage associations, which can drive niche collector interest.
  • Market demand for mid-century American industrial glass, typically keeping prices in the $10-$20 range.

How to Identify Temperglas Bottle?

  • Look for the raised 'Temperglas' embossed text specifically on the base of the bottle.
  • Identify the numeric code '1521' which serves as a specific mold or production identifier for this series.
  • Verify the glass clarity and thickness, as these 1940s-1950s pieces were engineered to be more robust than standard soda-lime glass.
  • Check for the absence of modern recycling symbols, which confirms the mid-century manufacturing era.

History of Temperglas Bottle

Glass bottles marked "Temperglas" were produced for various purposes, often indicating a specific type of tempered or heat-treated glass for durability. These bottles were commonly used for pharmaceuticals, food products, and beverages, signifying a period of innovation in glass manufacturing to improve product safety and longevity.

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