Westmont College - Since it's #nationalmasonjarday Westmont's archivist dug out this antique Kerr Jar from before 1920. Westmont was founded by Ruth Kerr, widow of Alexander Kerr, founder of Kerr Glass Manufacturing. #
Vintage early 1900s KERR "Self Sealing" MASON JAR #20 w/Zinc Lid (4714) | Kerr mason jars, Jar, Mason jars
Vintage Kerr Self Sealing Wide Mouth Canning Jar With - Etsy
Kerr Glass Manufacturing Corporation - Maker of Fruit Jars
History of the Home Canning Jar and Collecting Antique Mason, Ball and Kerr Jars
Set of 3 Half Pint 509 4 Jelly Jars With Floral Apples and - Etsy Finland
Kerr 'Self Sealing' - Trade Mark Reg.' Square Wide Mouth Quart - Mason Jar Merchant
Pictures of Antique Mason Jars: Different Types at a Glance | LoveToKnow
Rare Mason Jar Value Guide (7 Vintage Brands Worth Money)