Clear glass Kerr one-quart self sealing canning jar. The jar is square with very rounded corners. The mouth is threaded for a screw lid. Side mold seams are on the corners and extend from a horizontal seam on the bottom up to but not over the lip. There is also a mold seam where the top is joined to the base. Embossed on the side: "Kerr" "self sealing" "trade mark reg" "mason". On the bottom "37".
Made/Created
Manufacturer
Kerr Glass Manufacturing Co.
Date made
1940 - 1969
Notes
Date: 1940 - 1960s
Inscription/Signature/Marks
Type
Manufacturer's Mark
Location
On the side & bottom
Transcription
On the side "Kerr" "self sealing" "trade mark reg" "mason"
On the bottom "37"
