Hi Joan, Thank you for contacting Mearto with your appraisal inquiry. Based on the photos and information provided, and subject to examination, this is: A pair of antique Solar Prism Company leaded stained glass window made in Cleveland, Ohio, 1899-1910 The window with a leaded grid of 17 columns of 8 panels, one marked "Solar Prism Company / Cleveland / Pat. Nov 7 1899", 34 by 72 inches CONDITION: Both panels appears to be in generally very good condition; one panel with one broken pane. PROVENANCE: Inherited $4,000-6,000 for the pair* *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, or questions/concerns, and thank you again for using Mearto. ~ Delia