Typical grenade of the region of Asturias on the Spanish atlantic coast.
It was made for socialist militias in 1934 during a small mining revolution.
In 1936, the socialist mining militias continued making and using this grenade, which in form is very similar to the Polish Obronny wz33.
It used a simple bickford fuse that to be ignited by a match or lighter.

Length body : 87 mm
Diameter : 56 mm
Weight : 850 gr.
Filling : black powder

Photo and info © Dani.