Authentic early 1900s embossed glass bottle marked PCO for Pacific Coast Olive Company. Originally used for olive oil, this clear glass bottle features bold vertical lettering and a threaded screw-top neck. The interior shows original residue consistent with age, adding to its rustic character and authenticity. A great accent for farmhouse kitchens, vintage décor displays, or antique bottle collections. • Era: Early 20th century • Material: Clear molded glass • Marking: Embossed “PCO” • Condition: Antique condition with interior residue; no cracks or chips noted