AYA (Aguirre y Aranzabal) is a weapons company in Eibar, Spain. They manufactured carabiners, hammers,ice axes, and other mountianeering equipment for the Mountain Troops in the late 1930s and early 1940s.
↑ 213: AYA (Aguirre y Aranzabal) Piolet de la Guerra Civil (Civil War ice axe)