Letters from early 1900s.
{"Image ImageWidth": "1224", "Image ImageLength": "1632", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image Make": "Apple", "Image Model": "iPhone 6 Plus", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CC 2015 (Macintosh)", "Image DateTime": "2015:06:30 18:14:58", "Image ExifOffset": "292", "GPS GPSLatitudeRef": "N", "GPS GPSLatitude": "[33, 48, 3881/100]", "GPS GPSLongitudeRef": "W", "GPS GPSLongitude": "[118, 22, 1099/50]", "GPS GPSAltitudeRef": "0", "GPS GPSAltitude": "34190/539", "GPS GPSTimeStamp": "[0, 7, 0]", "GPS GPSSpeedRef": "K", "GPS GPSSpeed": "0", "GPS GPSImgDirectionRef": "T", "GPS GPSImgDirection": "42305/137", "GPS GPSDestBearingRef": "T", "GPS GPSDestBearing": "17645/137", "GPS GPSDate": "2015:07:01", "Image GPSInfo": "852", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1238", "Thumbnail JPEGInterchangeFormatLength": "6258", "EXIF ExposureTime": "1/15", "EXIF FNumber": "11/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "80", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2015:06:30 17:07:00", "EXIF DateTimeDigitized": "2015:06:30 17:07:00", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ShutterSpeedValue": "2270/581", "EXIF ApertureValue": "7892/3469", "EXIF BrightnessValue": "26940/13123", "EXIF ExposureBiasValue": "1/256", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "83/20", "EXIF SubjectArea": "[1631, 1223, 1795, 1077]", "EXIF SubSecTimeOriginal": "602", "EXIF SubSecTimeDigitized": "602", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "1400", "EXIF ExifImageLength": "1120", "EXIF SensingMethod": "One-chip color area", "EXIF SceneType": "Directly Photographed", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF FocalLengthIn35mmFilm": "29", "EXIF SceneCaptureType": "Standard", "EXIF LensSpecification": "[83/20, 83/20, 11/5, 11/5]", "EXIF LensMake": "Apple", "EXIF LensModel": "iPhone 6 Plus back camera 4.15mm f/2.2"}