Surface Losses and Flakes
A previously attached or adhered component of an object that is now actively separating or has been separated from the objects surface. This can be linked to a variety of causes including handling, pests and inherent vice.
Delamination of acrylic paint on hardboard (emphasized in raking light)
Losses and cracks in an oil painting (emphasized in transmitted light)
Loss of the oil paint film from a canvas.