A Spanish navaja folding knife

A Spanish navaja folding knife, with an etched blade decorated a dancing lady and foliage, signed 'Grab. Angel Collado 1912' indistinctly marked 'Alvaro Garcia, Albacette', the reverse inscribed 'No me saques sin razon Ni me guardes sin honor,' with a ratchet lock and with horn scales, 42.5cm long open, and three Spanish navaja folding knives, with brass or horn scales, one blade with inscription as above, 58.5cm, 72.2cm and 80.5cm long open. (4)