On verso: diagram of houses. See sph_5065diagram. Caption on image: x, lower left.
27.5 x 15.2 cm
Master image scanned on Epson 10000 XL flatbed at 600 ppi, 24 bit color, saved as TIFF file. Photoshop used to resize images to 300 ppi and convert to JPEG format. Master image file size: 66,975,240 bytes.