Antique opal Bismarck kerosene oil lamp.

An antique hand blown opal Bismarck kerosene oil lamp with a Kosmos burner and chimney.

Craftsmanship and Display Appeal: The softly glowing opal glass, detailed metalwork, and classic Bismarck form make this lamp an elegant example of late 19th- to early 20th-century lighting design. Its Kosmos burner was engineered for a bright, steady flame, while the chimney helps direct airflow for reliable illumination. Whether displayed in a period-inspired interior, added to a curated lamp collection, or used as a distinctive decorative accent, it offers enduring historical character and charm.

Size. Approx. 48cm H X 15cm Diameter at base.