--- /dev/sdc
Block device, size 1.406 MiB (1474560 bytes)
FAT12 file system (hints score 5 of 5)
  Volume size 1.390 MiB (1457664 bytes, 2847 clusters of 512 bytes)

sudo dcfldd if=/dev/sdc of=1999_2008-231.img hash=md5 hashlog=1999_2008-231.md5
dcfldd:/dev/sdc: Input/output error

19+1 records in
19+1 records out