EXIF is too clear. Awakens my autism.
File Type : JPEGFile Type Extension : jpgMIME Type : image/jpegJFIF Version : 1.01Resolution Unit : NoneX Resolution : 72Y Resolution : 72Exif Byte Order : Big-endian (Motorola, MM)Orientation : Horizontal (normal)Color Space : sRGBExif Image Width : 5400Exif Image Height : 7200Current IPTC Digest : d41d8cd98f00b204e9800998ecf8427eIPTC Digest : d41d8cd98f00b204e9800998ecf8427eImage Width : 5400Image Height : 7200Encoding Process : Baseline DCT, Huffman codingBits Per Sample : 8Color Components : 3Y Cb Cr Sub Sampling : YCbCr4:2:0 (2 2)Image Size : 5400x7200Megapixels : 38.9
TIFF data contained indicates this image was a scanned photo, which also explains the extra margin around the photo, and high resolution.