Drey Square Mason Jar Value Guide

The Drey Square Mason Jar is a distinctive piece of American glass history produced by the Schram Glass Manufacturing Company between 1910 and 1925. Named after industry leader Leo Drey, these jars are highly collectible for their innovative square-bodied design, which was originally marketed as a space-saving solution for crowded kitchen pantries.

What affects the value of Drey Square Mason Jar?

• Overall glass condition, specifically looking for the absence of chips, cracks, or 'sickness' (cloudiness).
• The crispness and depth of the embossed 'Carpenter's Square' logo and brand lettering.
• Presence of the original lid or closure system, which can impact the standard $18.00-$20.00 price range.
• Market demand for the space-saving square design compared to more common cylindrical antique jars.

How to Identify Drey Square Mason Jar?

• Look for the signature 'Carpenter's Square' logo embossed directly on the clear glass surface.
• Verify the unique square body shape, which distinguishes it from standard round Mason jars of the era.
• Check for bold, raised lettering spelling out the 'Drey' brand name on the front of the quart-sized vessel.
• Confirm the glass clarity and manufacturing style consistent with early 20th-century Schram Glass production.

History of Drey Square Mason Jar

Produced by the Schram Glass Manufacturing Company, the Drey brand was named after Leo Drey, who was a prominent figure in the glass industry. These jars were unique for their square shape, which was marketed as a space-saving design for kitchen pantries compared to traditional round jars. The 'Carpenter's Square' logo embossed on the glass is a signature identifier for this specific brand of canning jar.