Seller: margharsh (4,209) 100%, Location: Phoenix, Arizona, Ships to: US, Item: 351915762945 This is identified as a Supplement to the Scientific American-Architects and Builders Edition, August 1886 either a lithograph or a chromo-lithograph framed of a floor plan. I have a total of three of these pieces listed purchased with other items at an estate sell. The frames are older/vintage frames in all of the pieces. The complete glass framed piece measures 23 inches by 18 inches. I do not know much else about the three pictures. Nonsmoking and no pets. Free shipping and tracking, always. Thank you for your interest.