======== back-bad.jpg
---- ExifTool ----
ExifTool Version Number         : 8.56
---- File ----
File Name                       : back-bad.jpg
Directory                       : .
File Size                       : 192 kB
File Modification Date/Time     : 2019:03:22 13:47:42+03:00
File Permissions                : rw-r--r--
File Type                       : JPEG
MIME Type                       : image/jpeg
Image Width                     : 800
Image Height                    : 600
Encoding Process                : Baseline DCT, Huffman coding
Bits Per Sample                 : 8
Color Components                : 3
Y Cb Cr Sub Sampling            : YCbCr4:4:4 (1 1)
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JFIF Version                    : 1.01
Resolution Unit                 : cm
X Resolution                    : 28
Y Resolution                    : 28
---- Composite ----
Image Size                      : 800x600



======== back-good.jpg
---- ExifTool ----
ExifTool Version Number         : 8.56
---- File ----
File Name                       : back-good.jpg
Directory                       : .
File Size                       : 75 kB
File Modification Date/Time     : 2012:03:18 22:33:21+04:00
File Permissions                : rw-r--r--
File Type                       : JPEG
MIME Type                       : image/jpeg
Image Width                     : 800
Image Height                    : 600
Encoding Process                : Baseline DCT, Huffman coding
Bits Per Sample                 : 8
Color Components                : 3
Y Cb Cr Sub Sampling            : YCbCr4:2:0 (2 2)
---- JFIF ----
JFIF Version                    : 1.01
Resolution Unit                 : inches
X Resolution                    : 96
Y Resolution                    : 96
---- Composite ----
Image Size                      : 800x600