Rare Half pint 8 oz "midget" Ball Ideal brand canning jars; Manufacturer: Ball Brothers Glass Manufacturing Company. Type: Ball Ideal (Lightning-style wire bail with a separate glass lid). Shape: Square (with rounded corners). Size: Half-Pint (sometimes referred to as "midget" jars). Markings (47 and V): The numbers (like 47) and letters (like V) found on the neck or base of these jars are mold numbers or mold maker marks. These indicate which specific mold was used to produce the jar in the glass-making machine. Color: Light Green "Ideal" jars were often produced in clear, aqua, or light green/blue-green. Date Range: These square Ball Ideal jars with wire bails and glass lids were largely produced between 1923 and 1933. Variations: There are also known 1970s reproductions of these jars, but the 47/V marks generally suggest a vintage production, often with numbers/letters for quality control. The "47" and "V" on the neck are common, with V likely indicating the factory or specific mold number. Condition: Great overall with a small chip in the outside of lip (see picture)