This vintage clear Presto Supreme Mason jar quart is a great addition to any collection. Made in the 1960s by Illinois Glass Co, this jar is a perfect example of modern era canning. The jar has a clear color and a volume of quart. The bottle type is a jar and it has not been modified. The brand is Presto, a well-known name in the industry. This item is a must-have for collectors of modern era canning jars.