Thank you for contacting Mearto with your appraisal inquiry.
If you know the church this came out of, that would be useful to include in the appraisal and might increase the value.
Based on the photos and information provided, and subject to examination, this is:
A Gothic style arched double-lancet stained- or slag-glass window
probably American, late 19th or early 20th Century
Of plate tracery form, the white frame with pointed top element housing a green slag- or stained glass panel with green and white glass, over two lancet-form panels with mottle green, white and yellow glass. Unmarked.
48 inches high, 36 inches wide
CONDITION: appears to be in good condition; value assumes no breaks, repairs or losses.
*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.