To me it looks Italian, maybe Spanish, during WWII or right after where Krupp 3 Ringe Stahl was repurposed to another gunmaking centre. Those odd marks on the water-table & on the top of the flats are the clues. Plus there's a mark forward of the 1400 gramme stamp.

It is a Fine Hammer Double

Hochachtungsvoll,

Raimey
rse