Antique Dark Olive Green 'Black Glass' Bottle, Mid–Late 1800s, Applied Double-Collar Blob Lip, Deep Push-Up Base, ~9.5in

Empty collectible antique dark olive green ('black glass') bottle, about 9.5 inches tall, mid-to-late 1800s. Applied double-collar blob lip with a long neck and sloping shoulders; deep conical push-up base. No body embossing; surface wear and grime consistent with age. No chips or cracks seen.