The product is a vintage 2 quart blue Ball jar with #9offset and the word Mason off-center . This collectible item falls under the category of modern jars, specifically from the years 1910-1923. The Ball brand is known for its quality and durability, making this jar a desirable piece for collectors of vintage bottles and insulators. The blue color adds to its aesthetic appeal and uniqueness, making it a standout piece in any collection.