How old is this pistol 14483 Gaspar Arizaga Eibar Cal 765?

Gaspar Arizaga was a well known gunmaker in Eibar Spain. They made pistols and shotguns of varying quality. Many of these were "Ruby" style pistols, made in the 1930s. The company began making shotguns in 1895, and went out of business in 1987. 7.65mm is the Euro designation for .32 ACP (.32 auto).