Suomi KP/-31
Suomi KP/-31 is a submachine gun or weapon model.
In detail
It is associated with Finland. The record gives 1931 as its date of establishment or first appearance.
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
“Suomi KP/-31”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q753845: Suomi KP/-31
Consult the source