The sable is the nº1 Angolan Royal Sable took by Count Yebes in October 1949. The main difference towards de common Sable, besides horns lenght, is in the white stripes that start at the base of the horns but are much shorter in this species. This one was full mounted and is kept in the Museo de Madrid but it has already been displayed in the US. Here is how it looks like today: