Hi Chregu,
VERY NICE selection.
Here are my opinions on identification, from top to bottom (In my humble opinion of course)
Do you have the sheaths for any of them?
Knife from Canary Islands. Good quality inlay on hilt. date: late 19th/early 20thC (guess)
Here is a thread discussing them. Warning: its also contains a disturbing
image of the result of a knife fight.
http://www.vikingsword.com/vb/showthread.php?t=10312
Punal type B. Probobly made in Albacete. Classic design with brass insert in blade. Later 19th century.
punal type B
Corsican Knife of 'Vendetta' style. Difficult to date from your picture. I'd guess late 19thC.
Try comparing with
these
Navaja Malagueña, or just possibly: Catalan knife (Ganivet). These are usually just called buy the generic name 'Navajas'. Date: 19thC. Please see the examples in the pages below to compare styles:
Navaja Malagueña
Catalan knives
Have a great Xmas and a happy new year.
Gene