4 Vintage Atlas Strong Shoulder Mason Jars with zinc and glass lids. Clean and clear with small air bubbles and imperfections through the glass. Some are clear glass, some have hints of green/blue in them. They are all vintage quart size Atlas Strong Shoulder Mason Jars. Hazel Atlas jars were made between 1902 to 1964. These were on probably made in the 1950s based on others jar that were collected with these.