As I wrote in another forum I would say the curved knife is Algerian or maybe from an adjacent state. The circles on the handle and the blade decorations are similar to other knives and daggers from this region I have seen in the past.
Examples:
https://www.faganarms.com/products/a...e-19th-century
http://www.vikingsword.com/vb/showthread.php?t=25918