Hi Elizabeth, Thank you for contacting Mearto with your appraisal inquiry. Based on the photos and information provided, and subject to examination, this is: An antique Richard Irvin and Son copper, brass and glass ship's stern lantern made by Richard Irvin and Son, Aberdeen early 20th Century 23 inches high, 11 1/2 inches diameter CONDITION: wear commensurate to age. PROVENANCE: acquired at an antique store in Washington state $250-350* *represents a fair-market value for auction purposes; retail or asking price may vary. Please let us know if you have additional items to appraise, and thank you again for using Mearto.