The blade is signed "Mahomed armurier du prince a ydeür chon de Kazi Koumouk 1849". It is written in French and the meaning is "Mohamed swordsmith of the Prince at ydeür chon of Kazi Koumouk 1849". Mohamed is the name of the swordsmith. Kazi Koumouk was an area of the Circassian province (anciently part of the Ottoman empire). Today it can be located in the actual Dagestan.
The back of the blade has a lot of chips. The grip is a modern restoration. The item "Ottoman Circassian sabre signed and dated 1849 Kazi Koumouk (actual Dagestan)" is in sale since Wednesday, May 23, 2018. This item is in the category "Collectibles\Militaria\1784-1860\Original Period Items".
The seller is "1192mathieu" and is located in Lyon. This item can be shipped worldwide.