Hi Justin:
Your second knife with the bone/ivory handle is from Turkey, probably early 20th C. There is an identical example shown in Levine, p.481.*
Here is Levine's description:
"About 15 inches overall. Curved blade with arabic inscription. Hook-like pommel and guard of ebony. Brass sheath. 19th-20th centuries."
I know Mike D. has a copy of Levine with details of this knife.
Ian.
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* Bernard Levine.
Levine's Guide to Knives and Their Values. Fifth edition. Krause Publication, Iola, WI. 2001