Cannone da 90/53
Cannone da 90/53 is an anti-aircraft gun or artillery model.
Overview
Type of anti-aircraft gun.
In detail
It is associated with Italy.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Cannone da 90/53”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q781114: Cannone da 90/53
Consult the source