155 K 83
155 K 83 is a field gun or artillery model.
Overview
Type of Field gun/Gun-howitzer.
In detail
It is associated with Finland.
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
“155 K 83”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q3868907: 155 K 83
Consult the source