Water
Damaged, Coffee Damaged, Sun Faded and those photos from the 70s
that have turned that reddish orange color over the years.
Click
the "After" thumbnail for full view
Before
After
No
idea what happened to this photo. Could be water damage. Also
looks like it was sunfaded. Although the scan in the first place
wasnt great, the finished product is much improved. Removed stains,
adjusted colors, sharpened and contrasted image.