The life of a herd is eventful, which can also be a danger for the skin of the animal; let's think about the brands as well as scratches caused by the barbed wire, wounds and abrasions...
The traces of these experiences left on the leather are not, therefore, defects but they are in fact the proof that we are in front of a completely natural product.
Leather is a substance which keeps its properties unchanged for many many years, but it must be looked with care: it must be kept far from strong heat sources, sheltered from direct sunlight, and protected from water.