Chagrin leather
From www.leather-dictionary.com - The Leather Dictionary
Chagrin is leather made from the back of horses, camels, donkey, mules and other animals. The main characteristic of this type of leather is they have an artificial grain. Chagrin leather is embossed by grains, which are pressed into the still damp leather. Nowadays, embossing is made with metal tools.
Chagrin is used for bridle, sabre sheaths or book covers.
"Real Chagrin" refers to finely granulated skin of sharks and the characteristic surface of stingray leather.
Additional information