Vtg Ball Special Jar with Metal Lid - Ball Special

This is a vintage Ball Special glass mason jar, likely dating from the mid-20th century, which features a distinct square-sided, ribbed design.The jar is clearly marked with the Ball script logo above the word SPECIAL and is embossed with MADE IN U.S.A. on the base.It is paired with a vintage metal Kerr lid and band. These collectible jars are often found in wide-mouth quart sizes, prized for their unique shape rather than the more common round jars  Based on the front logo image provided, this is a clear Ball Special square canning jar, which was manufactured between 1933 and 1962.Why Special?The word SPECIAL stamped below the logo refers to the specific model line of the jar. While Ball introduced a Special line in block letters around 1910–1913, your jar features the modernized cursive script logo with an open loop on the letter B and no underline, placing its production directly in the mid-20th century era (1933–1962). During this time frame, clear glass completely replaced the older aqua-blue glass colors.Physical BreakdownLogo Style: Cursive script with a dropped underline, confirming a post-1933 automated machine manufacturing process.The Bottom Number: As confirmed by the Minnetrista Museum and Heritage Center (the historic home of the Ball Corporation), the #6 on the bottom remains strictly a mold code for factory quality tracking, rather than a year indicator.