These are first quality black Tuscan lambskins, also called Toscana lambskins, with black nappa backs. They are suitable for garments, crafts, and accessories.
The skins are approximately 21" to 23" long by 15" to 16" wide measured down the middle on the skin side.
Tuscany lamb are not an endangered species. The skins are a by-product of the food industry - the animals are not killed just for their hides.