Unknown (some to an extent) ammo

[CINDERS]

F N P ~ Fábrica Nacional de Palencia, Spain
M ~ Ammunitionsfabriken Marieberg, Stockholm, Sweden
M Birmingham Metals & Munitions Co./Nobel, Birmingham, UK
M Milwaukee Ordnance Plant, Milwaukee, WI, USA (1942-1943)
M Munizioni e Cartucce Martignoni, Genoa, ItaLY