Jars actually were embossed with this for over 50 years so the embossing in itself should not be the sole criteria for determining date and value.An embossed design that is unusual or unique will fetch more than the 1858 embossing on a jar.If you are an aspiring collector, you may want to pick up a copy of Redbook 9, available on Amazon.
Sometimes you can find a jar that has a word misspelled and mishaps like this make the jar rarer and add to the value.
There are a variety of closures for canning jars from the tin lids to the modern screw on lids.
Prior to that time, flat tin lids were attached to the jars with wax rings.
John Mason was a tinsmith in New York and perfected a machine that would cut threads into the lids, creating a jar with a reusable, screw-on lid.
Unique closures might not have been favored by yesteryears homemaker but they are a hot commodity among today's collector.