The Aqua Mason's Improved Clyde NY Fruit Jar is a vintage collectible bottle that holds one half gallon. This jar has a classic design typical of antique fruit jars from the pre-1900 era. With its unique style and historical significance, it appeals to collectors of bottles and insulators, particularly those who appreciate the charm of traditional glassware. Perfect for display or adding to a collection, this jar offers a glimpse into the past with its distinctive design and craftsmanship.says j56 on bottom has zinc lid with glass insert