Comparison : Item # 4008-02, Flask, Round Bottom, Two Neck, Heavy Wall
Item # 4008-04, Flask, Round Bottom, Two Neck, Heavy Wall
Item # 4008-06, Flask, Round Bottom, Two Neck, Heavy Wall
Item # 4008-08, Flask, Round Bottom, Two Neck, Heavy Wall
Item # 4008-10, Flask, Round Bottom, Two Neck, Heavy Wall