Frank Lloyd Wright Art Work “Autumn Sumac” Vintage stained glass Rare Used. The metal frame has some minor period scratches, but is in very beautiful condition. Length: 28.7 cm. It is officially authorized by the Frank Lloyd Wright Foundation. The original window is from the Dana Thomas House (Susan Lawrence Dana House) in Springfield, Illinois, USA. There is a metal sign plate near the center of the bottom of the frame with the words Frank Lloyd Wright, indicating that it was officially authorized by the Frank Lloyd Wright Foundation. International Buyers – Please Note. Thank you for your understanding.